Join CMC MarketsQuantitative Strategiesteamwithin the Pricing and Risk area, whereyoullwork on our low latency, high-frequency trading platform. You will usecutting-edgeJavaprogramming techniquesso experience in this area is essential.

As a Senior Developer,youllnot only code but also take on key design responsibilities, shaping impactful projects.You’llmentor junior members of the team, driving innovation in a fast-paced, high-stakes environment. Ifyoureready to make a real impact on global markets,wedlove to hear from you!

Please note that this is an onsite role that will require you to work within our London office (near Liverpool street) 5 days on site per week.

WhatYoullDo

• Expert Level Java Development:You will applyyourin-depthknowledge of the Java programming language(21+)to implement world class trading and pricing systems.

• Collaborative Development:Design and develop innovative pricing and risk components for our market-making operations,impactinga wide array of asset classes.

• Cross-Functional:Partner with financial engineering, quant teams, and other key business groups to ensure seamless product delivery and support.

• Hands-On Problem Solving:Work closely with Front Office users and Business Operations to quickly troubleshoot and resolve issues, minimizing downtime and keeping the business running smoothly.

• Continuous Learning:Stay ahead of the curve with access to the latest training in regulatory and legislative areas to ensureyou’realways on top of your game.

• Impactful Mentorship:Provide mentorship and guidance to junior developers, shaping the future talent within our Pricing and Risk group.

• Innovation with a Purpose:Create custom maintenance and reporting tools that drive efficiency and improve decision-making across the firm.

WhyYoullLove It Here

• Influence the Business:Your work will directlyimpactcritical trading and risk management functions, giving you high visibility and the chance to shape the future of the firms technology.

• Exposure to the Trading Floor:Get first-hand experience on the trading floor, working closely with users to develop solutions that directly address business needs.

• Dynamic Team Environment:Join a highly collaborative team that values feedback and innovation, where your voice is heard, and your ideas matter.

• Learning & Development:Werecommitted to your personal and professional growth, offering ongoing training and certification opportunities tailored to the ever-changing financial landscape.

• Career Advancement:Opportunities for career growth, including leadership roles, are encouraged and supported by our mentorship programs.

WhatWereLooking For

• Strong Java development experiencewithin financial systems, ideally in pricing or risk-related applications.

• Not just a coder, but someonewho also focuses on applying best practices, designpatternsand principles to develop scalable,maintain ableand high-quality code.

• Someone who enjoysmaths/logic problems and challenges

• Familiarity with electronic trading order routing, broker connectivity and FIX would bevery beneficial

• Knows or willingness to learnscripting languages to aid rapid development

• Experience acrossone or moreasset classes such as Equities, FX, Commodities, and Derivatives.

• Familiarity with Front Office trading systems and a deep understanding of market-making environments.

• Ability to quickly respond to critical issues in a fast-paced trading environment.

• Experience mentoring and guiding junior team members.

• Excellent communication skills and the ability to build strong working relationships with stakeholders.

• Minimum 2:1 degree in a numerate subject such as Computer Science, Mathematics,Physicsor equivalent.

CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief,disabilityor age.

Spatial Transcriptomics is a rapidly emerging field that combines the “what” of genomics with the “where” of imaging. To support this, the Functional Genomics team is partnering with the BioImage Archive to create a unified resource for this data.

You will join a unique, interdisciplinary project bridging these two world-leading teams. We are looking for a talented developer to build the “Spatial Transcriptomics Portal,” a greenfield resource that will support scientists worldwide to submit, find, explore, and reuse this complex multi-modal data.

Your role

The role will work across the full technical stack to architect and build a new platform from the ground up. You will act as the technical bridge between the genomic and imaging domains, designing systems that allow these distinct data types to be harmonised, validated, and visualised together.

Specific Responsibilities:

• Portal Development:Design and implement the new Spatial Transcriptomics portal, including backend API services, frontend user interfaces, and supporting infrastructure.
• Search & Discovery: Develop a shared and powerful search interface that allows researchers to discover datasets based on the rich biological metadata facets that accompany these experiments.
• Data Flow & Validation: Design automated pipelines to validate incoming data against agreed standards (FAIR principles) and route submissions to the correct archival resources.
• Data Conversion: Support the development of conversion pipelines to transform raw data files into cloud-native formats (e.g., OME-Zarr) optimized for visualization in the portal.
• Visualisation Integration: Embed and integrate advanced spatial visualisation tools into the portal, ensuring users can seamlessly interact with high-resolution images and gene expression overlays.
• System Integration: Act as the technical liaison between the BioImage Archive and Functional Genomics, as well as with central EMBL-EBI storage and search infrastructure teams, ensuring that the new portal integrates seamlessly with our existing high-performance systems.

You have

You should have a university degree in computer science, life sciences, or a related discipline and experience in a software development capacity.

Specific Experience:

• Substantial experience developing full-stack web applications.
• Solid experience with Java or Python for backend development.
• Extensive hands-on experience with JavaScript and modern frontend frameworks (e.g., React).
• Experience with Containerisation (Docker) and deploying applications to Kubernetes environments.
• Experience configuring CI/CD pipelines (e.g., GitLab CI, Jenkins) for automated testing and deployment.
• Experience working with databases (Relational or NoSQL) and designing data models.

Personal Attributes:

• A strong affinity with the goal of EMBL-EBI to provide open data to the global scientific community.
• Excellent communication skills, with the ability to bridge the gap between technical and scientific requirements.
• A self-starter attitude, comfortable working on a greenfield project with evolving requirements.

You may also have

• Experience designing data systems that operate at scale.
• Experience working with biological data, particularly BioImaging or Genomics formats.
• Experience with search infrastructure (e.g., Solr, Elasticsearch).
• Familiarity with data standards or validation frameworks (e.g., JSON Schema, RO-Crate).

Apply now! Benefits and Contract Information

• Financial incentives: depending on circumstances, monthly family/marriage allowance of £278 monthly child allowance of £336 per child. Non resident allowance up to £569per month. Annual salary review, pension scheme, death benefit, long-term care, accident-at-work and unemployment insurances

• Hybrid working arrangements

• Private medical insurance for you and your immediate family (including all prescriptions and generous dental & optical cover)

• Generous time off: 30 days annual leave per year, in addition to eight bank holidays

• Relocation package including installation grant (as applicable)

• Campus life: Free shuttle bus to and from work, on-site library, subsidised on-site gym and cafeteria, casual dress code, extensive sports and social club activities (on campus and remotely)

• Family benefits: On-site nursery, child sick leave, generous parental leave, holiday clubs on campus and monthly family and child allowances

• Contract duration: This position is a 1 year project based contract

• Salary: Monthly salary startingfrom £3,303 or 3,695 after taxbut excl. pension & insurances) + benefits (Total package will be dependent on family circumstances)

• International applicants: We recruit internationally and successful candidates are offered visa exemptions. Read more on our page for international applicants.

• Diversity and inclusion: At EMBL-EBI, we strongly believe that inclusive and diverse teams benefit from higher levels of innovation and creative thought. We encourage applications from women, LGBTQ+ and individuals from all nationalities.

• Job location: This role is based in Hinxton, near Cambridge, UK. You will be required to relocate if you are based overseas and you will receive a generous relocation package to support you.

To apply, please submit a covering letter and CV via our online system. Applications will close on 18/03/2026.

White Collar Factory (95009), United Kingdom, London, LondonSenior Software Development Engineer - Services

About this role

We are seeking a Senior Software Engineer who can walk in the shoes of our users, communicate & collaborate with teams in Business, Technology and Operations, bringing a passion for using software and technology to create impactful solutions.

To be successful in this role, you will have an understanding of the benefits of business processes automation to enable user efficiency, the importance of well-governed solution development, and how to balance these needs to produce easy-to-use software.

You are able to seamlessly switch from deep diving users’ needs and technical challenges, to discussing solutions and prioritisation. You’re not afraid to question stakeholder expectations, using your fantastic influencing skills to drive consensus on requirements, bringing it all together into an achievable, impactful solution that creates business value.

What you’ll do

• Design, develop, test and maintain a range of internal facing software products and solutions that automate Business processes
• Work to achieve the goals and vision shared by Product Management and your team Leadership
• Be an advocate for governance, documentation and process, ensuring that everything we build meets our high standards whilst providing a frictionless user experience
• Make recommendations to stakeholders and drive a consensus of agreement for your solutions. You’ll also be great at keeping them in the loop
• Provide technical leadership and innovate within your team.

What we’re looking for

• A passion for software engineering and a track record of delivering solutions in an efficient and maintainable manner
• Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST
• Demonstrable knowledge of creating architectural designs that meet the business need
• Proven experience in technical leadership, with a passion for mentoring and nurturing engineers
• You bring a user focussed mindset. An ability to capture process requirements in order to rapidly refine a solution
• You’re able to effectively communicate and work together across engineering to maximise inner-sourcing opportunities and reduce waste
• Experience and knowledge in Cloud/AWS technologies.

What you’ll get to learn (any previous experience would be advantageous)

• Solving real world problems and being comfortable working in a complex regulated environment
• Gain the opportunity to become an expert in writing and optimising code with the power of AI code assistants (GitHub Copilot).

Where and how you’ll work

This is a permanent position based in our London office.

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What’s in it for you

• Bring us all this and you’ll be rewarded with a role contributing to the product roadmap for an organisation committed to transformation
• We’re continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve
• We love continuous learning and that’s why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future
• We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)
• Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One’s recruiting process, please send an email to

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Who We Are

At Capital One, we’re building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding.

Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

Senior Software Engineer - (9 month contract) Salary: Negotiable Shift: Days Mon-Fri Location: Remote - Can live anywhere We are recruiting for an innovative market leader within the industry who are a major player in their field, miles ahead of the competition. This is an opportunity for an experienced Software Engineer to showcase their skills across multiple state-of-the-art automated facilities within the UK. You'll be based from home and will be focused on software development and JAVA development for highly automated distribution factories across the UK. The Senior software engineer will be involved in some high level software development projects within automated warehouse environments. Non Negotiable skills required for the Senior Software Engineer 5 years minimum experience in JAVA development Extensive software development experience Understanding of distribution and automated warehouse environments Strong interpersonal skills to liaise with site teams, colleagues, and management effectively. The Senior Software Engineer will benefit from: Competitive pay rate Working for a highly reputable company Remote working from anywhere in the UK If you are interested in this role and feel that you have the right skills, then please click apply at the bottom of this advert. For further details contact Chris Bacchus at Pioneer Selection Ltd, you automatically become eligible for our referral scheme. You will receive £250 for every candidate we place in permanent employment who has been recommended by you. Terms and Conditions apply please see our website for further details. TPBN1\_UKTJ

Site Reliability Engineer | Bristol, Hybrid (3 days onsite, 2 from home) | Up to £95K & Great Benefits

Ready to take on high-impact engineering challenges that actually matter? Want to work on mission-critical systems used across the UKs most high-profile government organisations?

This is your chance to join TwinStream a team of elite engineers who built their careers cracking complex cross-domain problems, and then built a company to do it even better.

Were growing fast. Demand for our services is skyrocketing. And now were looking for a Site Reliability Engineer whos ready to step into a role with real ownership, real influence, and real opportunities to innovate.

Why Youll Love This Role

As our new SRE, youll be right at the heart of our evolving cloud and on-prem platforms. This isnt a keep the lights on jobits a role where youll shape infrastructure strategy, partner closely with software and systems teams, and push performance, reliability, and automation to the next level.

You’ll help us evolve observability, enhance delivery pipelines, eliminate toil, drive reliability metrics, and make smart technical decisions that keep our systems robust as we scale.

If you love solving gnarly problems, improving how things work, and innovating at speedthis is the role for you.

Key Responsibilities of the Site Reliability Engineer:

Collaborating with Software Engineers to improve subsystem reliability and performance

Partnering with System Administrators to automate toil and cut down alert noise

Taking observability to the next levelfind issues before they hit the business

Supporting development environments to boost speed and quality

Researching & evaluating tools to guide key buy-vs-build decisions

Deepening your expertise across multiple technical and business domains

Expanding your knowledge of diverse tech stacks and platforms

What You Bring

Modern configuration management tools (Ansible, Chef or similar)

Terraform

Docker containers & orchestration (Kubernetes, OpenShift, Docker Swarm)

CI/CD tooling (Jenkins or similar)

Monitoring/metrics stack (InfluxDB, Prometheus, Grafana)

MQ messaging (RabbitMQ or other AMQP solutions)

SQL & relational databases

Linux administration & shell scripting

Network security fundamentals

Cloud hosting (ideally AWS: EC2, RDS, S3, Lambda)

Bonus points for:

Experience with Java, Go, Python or similar

Knowledge of cross-domain principles & tech

Service management experience

Hands-on observability implementation

Proven ability to reduce downtime with smart reliability metrics

Why Youll Love Working at TwinStream

Competitive salary, £65k - £95k DOE

8% employer pension contribution

Private medical healthcare (including dental & optical for the whole family)

Flexible working culture

Learning & development owned by YOU

Electric vehicle salary-sacrifice scheme

28 days holiday + bank holidays

Regular team events, plus Christmas & summer parties

Life assurance & cycle-to-work scheme

Security Clearance

Youll need to be eligible for SC and/or DV clearance. Any offer will be subject to successful security screening.

Ready to engineer impact?

Apply now and shape the future of secure, high-performance cross-domain systems.

TPBN1_UKTJ

• Location:Brick Lane, London
• Days in the Office:2 days per week
• Job Title:Senior Engineer
• Length of Contract:6 months, with potential extension

Key Skills:

• Work embedded in a cross-functional team with software developers, technical product owners and testers all working together towards common goals to develop JVM applications using Test Driven Development and Pair Programming
• Drive the design and implementation of our systems, knowing the context and why we are implementing what we are implementing, whilst always looking to improve our systems and ways of working
• Mentor and coach other engineers
• A willingness to pair program

Must-Haves:

• Strong verbal communication and collaboration skills
• In-depth knowledge and hands-on experience in a cross-functional, agile development team
• Enthusiasm for code development and education in this area

Nice-to-Haves:

• Experience in pair programming
• Proficiency in idiomatic Kotlin for application development

Experience:

• Extensive knowledge of Java programming language (5 years+)
• 5+ years practical experience in test driven development

AI Integration:

• We have an AI special interest group and are adopting AI based on individual context

Senior Software Engineer - (9 month contract)

Salary: Negotiable
Shift: Days Mon-Fri
Location: Remote - Can live anywhere

We are recruiting for an innovative market leader within the industry who are a major player in their field, miles ahead of the competition. This is an opportunity for an experienced Software Engineer to showcase their skills across multiple state-of-the-art automated facilities within the UK. You ll be based from home and will be focused on software development and JAVA development for highly automated distribution factories across the UK.
The Senior software engineer will be involved in some high level software development projects within automated warehouse environments.

Non Negotiable skills required for the Senior Software Engineer

• 5 years minimum experience in JAVA development
• Extensive software development experience
• Understanding of distribution and automated warehouse environments
• Strong interpersonal skills to liaise with site teams, colleagues, and management effectively.

The Senior Software Engineer will benefit from:

• Competitive pay rate
• Working for a highly reputable company
• Remote working from anywhere in the UK

If you are interested in this role and feel that you have the right skills, then please click apply at the bottom of this advert.

For further details contact Chris Bacchus at Pioneer Selection Ltd, you automatically become eligible for our referral scheme.

You will receive £250 for every candidate we place in permanent employment who has been recommended by you. Terms and Conditions apply please see our website for further details.

White Collar Factory (95009), United Kingdom, London, London Senior Software Development Engineer - Services

About this role

We are seeking a Senior Software Engineer who can walk in the shoes of our users, communicate & collaborate with teams in Business, Technology and Operations, bringing a passion for using software and technology to create impactful solutions.

To be successful in this role, you will have an understanding of the benefits of business processes automation to enable user efficiency, the importance of well-governed solution development, and how to balance these needs to produce easy-to-use software.

You are able to seamlessly switch from deep diving users’ needs and technical challenges, to discussing solutions and prioritisation. You’re not afraid to question stakeholder expectations, using your fantastic influencing skills to drive consensus on requirements, bringing it all together into an achievable, impactful solution that creates business value.

What you’ll do

• Design, develop, test and maintain a range of internal facing software products and solutions that automate Business processes
• Work to achieve the goals and vision shared by Product Management and your team Leadership
• Be an advocate for governance, documentation and process, ensuring that everything we build meets our high standards whilst providing a frictionless user experience
• Make recommendations to stakeholders and drive a consensus of agreement for your solutions. You’ll also be great at keeping them in the loop
• Provide technical leadership and innovate within your team.

What we’re looking for

• A passion for software engineering and a track record of delivering solutions in an efficient and maintainable manner
• Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST
• Demonstrable knowledge of creating architectural designs that meet the business need
• Proven experience in technical leadership, with a passion for mentoring and nurturing engineers
• You bring a user focussed mindset. An ability to capture process requirements in order to rapidly refine a solution
• You’re able to effectively communicate and work together across engineering to maximise inner-sourcing opportunities and reduce waste
• Experience and knowledge in Cloud/AWS technologies.

What you’ll get to learn (any previous experience would be advantageous)

• Solving real world problems and being comfortable working in a complex regulated environment
• Gain the opportunity to become an expert in writing and optimising code with the power of AI code assistants (GitHub Copilot).

Where and how you’ll work

This is a permanent position based in our London office.

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What’s in it for you

• Bring us all this and you’ll be rewarded with a role contributing to the product roadmap for an organisation committed to transformation
• We’re continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve
• We love continuous learning and that’s why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future
• We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)
• Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One’s recruiting process, please send an email to

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Who We AreAt Capital One, we’re building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding.Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

White Collar Factory (95009), United Kingdom, London, LondonPenetration Testing Manager

Capital One Offensive Security reduces cyber risk by uncovering vulnerabilities and weaknesses in the enterprise cyber environment through coordinated ethical hacking and penetration testing scenarios. This position works closely with team members to plan, coordinate, execute and report on sophisticated ethical hacking exercises, to identify cyber vulnerabilities and reduce the risk posture of enterprise systems. This role will be responsible for the identification and exploitation of security weaknesses, providing actionable recommendations, and collaborating with various teams to enhance our security posture.

About this role:

The successful candidate for this position will be part of an exciting and dynamic environment to build and deliver industry leading ethical hacking capabilities to continuously protect and defend Capital One brand, systems and data. Offensive Security is part of the Cyber Operations and Intelligence program and assists with identifying opportunities to enhance Capital One’s information security posture against a broad range of cyber threats, and develop strategies to most effectively address the threats.

What you’ll do:

• Leading and overseeing penetration testing of enterprise networks, services, applications, and infrastructure.
• Contributing to the development of a comprehensive penetration testing strategy that aligns with the organization’s overall security objectives.
• Analyzing penetration testing results and providing actionable insights to relevant stakeholders to drive remediation efforts and improve the organization’s security posture.
• Staying abreast of emerging threats and attack techniques to ensure that the team’s strategy and techniques remain relevant and effective.
• Providing mentorship and guidance to foster professional development and enhance the team’s overall capabilities.
• Working with developers on remediation guidance and improvements throughout the Software CI/CD pipeline.
• Clearly and effectively conveying technical information and results to diverse audiences, including senior management and those without a technical background.

What we’re looking for:

• Information security experience in one or more of the following areas: red teaming, penetration testing, application security, or network security.
• Experience with security testing tools and tradecraft.
• Able to communicate effectively up, down and across the organization, both verbally and in writing. Including the ability to explain complex technical findings to technical teams and executive audiences.
• Proven ability to manage technical staff and projects, perform effective long term planning and implement continuous process improvement practices.
• Should have a strong understanding of networking concepts, Windows, Linux and Mac operating systems, cloud and web application vulnerabilities and exploitation.

Any of these would be advantageous (but we’d still love to hear from you):

• Bachelors Degree or equivalent certification
• Security testing of cloud environments. We’re invested with AWS but will consider those who have worked on any other major public cloud provider (Azure, GCP).
• Experience in offensive security tool development, customization or expansion.
• Ability to code comfortably in one or more interpreted languages (eg. Python, Bash, PowerShell, Perl, Ruby) and one or more compiled languages (eg. C, C++, C#, Golang, Rust, Java, Objective-C)
• One or more of the following certifications (OSCP, OSCE, GPEN, GXPN, CRTO, CREST Certified Simulated Attack Manager)

Where and how you’ll work

This is a permanent position and can be based in either our London or Nottingham Head Offices.

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our London Head Office office 3 days a week.

Many of our associates have flexible working arrangements, and we’re open to talking about an arrangement that works for you.

What’s in it for you

• Bring us all this - and you’ll be well rewarded with a role contributing to the roadmap of an organisation committed to transformation
• We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)
• Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspaces and accessible facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

What you should know about how we recruit

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages.

We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few:

• REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies
• OutFront - to provide LGBTQ+ support for all associates
• Mind Your Mind - signposting support and promoting positive mental wellbeing for all
• Women in Tech - promoting an inclusive environment in tech
• EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One’s recruiting process, please send an email to

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Who We Are

At Capital One, we’re building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding.

Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

White Collar Factory (95009), United Kingdom, London, LondonStaff Software Engineer - Back End

About this role

Do you love shaping the technical landscape and driving innovation across the organisation?

Are you passionate about solving complex business problems and supporting multiple teams toward a shared technical vision?

At Capital One, you’ll be part of a community of technical leaders who drive engineering excellence, foster innovation, and deliver impactful solutions that meet real customer needs.

What You’ll Do

• Own and drive the technical strategy for a significant business outcome or technology domain, spanning multiple teams and influencing the overall technical direction
• Lead and coordinate the efforts of multiple teams, ensuring their collective work aligns with broader business objectives and technology strategy
• Proactively identify emerging patterns, define and evangelise best practices, and establish reusable frameworks that enhance engineering productivity
• Build and maintain strong relationships with key stakeholders, including senior leadership, product owners, and architects
• Represent Capital One in external technical forums, contributing to vendor/industry discussions
• Drive service quality standards and practices for your domain, guiding complex incident resolution
• Develop and advocate for strategies to proactively manage technical debt across multiple teams
• Actively mentor and develop engineers, fostering a culture of continuous learning

What we’re looking for

• Deep expertise in Java
• Deep expertise in system design and distributed architectures
• Track record of leading technical initiatives across multiple teams
• Strong experience with cloud platforms (AWS, Azure, GCP)
• Proven experience setting a multi-team technical vision and strategy
• Strong track record of technical leadership and influence without authority
• Experience driving engineering standards and best practices across organisations
• Experience of steering Communities of Practice or technical forums
• Strong business acumen and ability to translate technical concepts for various audiences

Where and how you’ll work

This is a permanent position based in our London office.

We have a hybrid working model which gives you flexibility to work from our office and from home.

We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What’s in it for you

• Bring us all this - and you’ll be well rewarded with a role contributing to the roadmap of an organisation committed to transformation
• We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)
• Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspaces and accessible facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

What you should know about how we recruit

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages.

We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few:

• REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies
• OutFront - to provide LGBTQ+ support for all associates
• Mind Your Mind - signposting support and promoting positive mental wellbeing for all
• Women in Tech - promoting an inclusive environment in tech
• EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry
• Enabled - focused on supporting associates with disabilities and neurodiversity

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One’s recruiting process, please send an email to

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Who We Are

At Capital One, we’re building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding.

Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

White Collar Factory (95009), United Kingdom, London, LondonLead Software Development Engineer - Services

About this role

Capital One’s mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose primary role is to be an enabler of our ambitions.

Capital One is looking for a Senior Software Development Engineer to join a backend team, based in our London office on a hybrid basis.

Our Engineers are people who lead by example, build strong and valuable relationships and have the confidence to influence at all levels. We are proud of who we are and what we do and want you to join us at this particularly exciting time at Capital One.

What you’ll do

• You will lead a team or cross-functional squad in the delivery of complex and ambiguous projects that support a broader business outcome
• You will take end-to-end responsibility for technical design, implementation, and operational considerations
• Collaborate with engineers, architects, product owners, and stakeholders to ensure successful project outcomes
• You will play a crucial role in supporting the elevation of engineering enablement, excellence, and experience across the broader engineering community
• You will collaborate and contribute to the development and dissemination of standardised and sustainable best practices, tools, patterns, and frameworks that enhance the productivity and quality of engineering efforts business-wide
• Your focus is on a major portion of existing or new team software (e.g., significant component, set of features, mid-size application or service)
• You’ll work to achieve the goals and vision shared by Product Management and your Tribe Leadership
• Innovate within your team, initiative area and contribute within your technical domain

What we’re looking for

• Proven experience in technical leadership, including leading a team or cross-functional squad
• Proven experience working in both backend services and mobile technologies
• Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST
• Experience with AWS and strong understanding of cloud-based development
• Extensive, demonstrable knowledge of designing architectures that are secure and perform at scale
• You’re able to effectively communicate and work collaboratively across engineering to maximise inner-sourcing opportunities and reduce waste
• Proven experience ability to deliver high quality applications at scale
• An advocate for quality and the ability to support the team, leveraging approaches such as Pair Programming, TDD and BDD

Where and how you’ll work

This is a permanent position and will be based in our London office.

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What’s in it for you

• Bring us all this - and you’ll be handsomely rewarded with a role contributing to the product roadmap for an organisation committed to transformation
• We’re continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve
• We love continuous learning and that’s why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future
• We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)
• Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

What you should know about how we recruit

We are committed to creating a level playing field and seek to create teams that are representative of our customers and the communities we serve. We’d love to hear from you if you identify with a typically under-represented group in our industry and are particularly keen to hear from women and ethnic minority candidates.

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages.

We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few:

• REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies
• OutFront - to provide LGBTQ+ support for all associates
• Mind Your Mind - signposting support and promoting positive mental wellbeing for all
• Women in Tech - promoting an inclusive environment in tech
• EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One’s recruiting process, please send an email to

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Who We Are

At Capital One, we’re building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding.

Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

White Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Back End

About this role

Do you love shaping the technical landscape and driving innovation across the organisation?

Are you passionate about solving complex business problems and supporting multiple teams toward a shared technical vision?

At Capital One, you’ll be part of a community of technical leaders who drive engineering excellence, foster innovation, and deliver impactful solutions that meet real customer needs.

What You’ll Do

• Own and drive the technical strategy for a significant business outcome or technology domain, spanning multiple teams and influencing the overall technical direction
• Lead and coordinate the efforts of multiple teams, ensuring their collective work aligns with broader business objectives and technology strategy
• Proactively identify emerging patterns, define and evangelise best practices, and establish reusable frameworks that enhance engineering productivity
• Build and maintain strong relationships with key stakeholders, including senior leadership, product owners, and architects
• Represent Capital One in external technical forums, contributing to vendor/industry discussions
• Drive service quality standards and practices for your domain, guiding complex incident resolution
• Develop and advocate for strategies to proactively manage technical debt across multiple teams
• Actively mentor and develop engineers, fostering a culture of continuous learning

What we’re looking for

• Deep expertise in Java
• Deep expertise in system design and distributed architectures
• Track record of leading technical initiatives across multiple teams
• Strong experience with cloud platforms (AWS, Azure, GCP)
• Proven experience setting a multi-team technical vision and strategy
• Strong track record of technical leadership and influence without authority
• Experience driving engineering standards and best practices across organisations
• Experience of steering Communities of Practice or technical forums
• Strong business acumen and ability to translate technical concepts for various audiences

Where and how you’ll work

This is a permanent position based in our London office.

We have a hybrid working model which gives you flexibility to work from our office and from home.

We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What’s in it for you

• Bring us all this - and you’ll be well rewarded with a role contributing to the roadmap of an organisation committed to transformation
• We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)
• Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspaces and accessible facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

What you should know about how we recruit

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages.

We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few:

• REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies
• OutFront - to provide LGBTQ+ support for all associates
• Mind Your Mind - signposting support and promoting positive mental wellbeing for all
• Women in Tech - promoting an inclusive environment in tech
• EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry
• Enabled - focused on supporting associates with disabilities and neurodiversity

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One’s recruiting process, please send an email to

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Who We AreAt Capital One, we’re building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to b

White Collar Factory (95009), United Kingdom, London, LondonSoftware Engineering Manager - Services

About this role

Capital One is looking for a Software Engineering Manager to join us in our London office. You will have previous experience of leading a Software Engineering team and be passionate about people and technical leadership.

What you’ll do

• Be a differential people leader. Literally . We expect you to coach and nurture your engineers and make a material positive difference to their careers and impact on the business.
• Bring technical leadership to your team. We don’t require you to code, but we do expect you to stay close to your team’s work, set a high bar for engineering, understand technical risks and influence architectural thinking and decisions.
• Bring context and purpose to your team. You will ensure your team understands the why behind the work they do, and you will be intentional about how you own and shape culture.
• Own ways of working and deliveries, partnering with your Product Owner and Change Delivery Lead to shape roadmaps and lead frequent delivery of high quality software in a complex regulatory environment
• Own one or more business applications, keeping them well-managed and compliant with the high bar set by the business
• Be a manager for the business , elevating your thinking beyond your immediate team. You’ll represent the interests and context of the business to your engineers, and help make the environment beyond your immediate team a better place.

What we’re looking for

An approachable and inquisitive problem-solving leader, with a focus on the why, and a passion for growing people, nurturing culture and leading technical delivery to help us get things done and make things better in a complex, regulatory environment.

We are looking for:

• Previous experience in leading teams, growing engineers and dealing with conflict, constructively and collaboratively
• Previous experience of having been an experienced software engineer, and somebody who remains comfortable with technology, architectural decisions and technical trade-offs
• Previous experience in our backend tech stack - Java, Spring, AWS and who is a strong advocate of tight feedback loops through mechanisms including, but not limited to automated tests, CI/CD pipelines and frequent releases
• A balance of self-reflection and bias for action
• Strong ownership and excellent communication
• A drive for positive, proactive impact

We understand that great engineering managers may not have everything listed here, and that is OK. If you believe you can make a difference, lead a happy & high-performing engineering team and you have the drive to make a positive impact on the business, we’d love to hear from you.

What’s in it for you:

• A people and technical leadership role in an engineering organisation that actively values excellence and doing the right thing, in a business that cares for its associates and has interesting problems to solve around growth, security, availability and performance in a highly regulated space.
• A learning environment with access to many excellent resources including online technical courses and in-person leadership training
• A competitive salary and immediate access to core benefits including salary sacrifice pension scheme with up to 10% company contribution, bonus, generous holiday entitlement, private medical insurance and flexible benefits including season ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspace and facilities designed to inspire and support you. In our (quite beautiful) London office, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

What you’ll get to learn (any previous experience would be advantageous)

• Solve real world problems, navigate ambiguity and deliver on the public cloud (AWS) to drive growth and operational efficiencies in an ambitious and growing UK business
• Influence change in a complex regulated environment

Where and how you’ll work

This is a permanent position based in our London office.

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What you should know about how we recruit

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages.

We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few:

• REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies
• OutFront - to provide LGBTQ+ support for all associates
• Mind Your Mind - signposting support and promoting positive mental wellbeing for all
• Women in Tech - promoting an inclusive environment in tech
• EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry
• Enabled - focused on supporting associates with disabilities and neurodiversity

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One’s recruiting process, please send an email to

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Who We Are

At Capital One, we’re building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding.

Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

White Collar Factory (95009), United Kingdom, London, London Software Engineering Manager - Services

About this role

Capital One is looking for a Software Engineering Manager to join us in our London office. You will have previous experience of leading a Software Engineering team and be passionate about people and technical leadership.

What you’ll do

• Be a differential people leader. Literally. We expect you to coach and nurture your engineers and make a material positive difference to their careers and impact on the business.
• Bring technical leadership to your team. We don’t require you to code, but we do expect you to stay close to your team’s work, set a high bar for engineering, understand technical risks and influence architectural thinking and decisions.
• Bring context and purpose to your team. You will ensure your team understands the why behind the work they do, and you will be intentional about how you own and shape culture.
• Own ways of working and deliveries, partnering with your Product Owner and Change Delivery Lead to shape roadmaps and lead frequent delivery of high quality software in a complex regulatory environment
• Own one or more business applications, keeping them well-managed and compliant with the high bar set by the business
• Be a manager for the business, elevating your thinking beyond your immediate team. You’ll represent the interests and context of the business to your engineers, and help make the environment beyond your immediate team a better place.

What we’re looking for

An approachable and inquisitive problem-solving leader, with a focus on the why, and a passion for growing people, nurturing culture and leading technical delivery to help us get things done and make things better in a complex, regulatory environment.

We are looking for:

• Previous experience in leading teams, growing engineers and dealing with conflict, constructively and collaboratively
• Previous experience of having been an experienced software engineer, and somebody who remains comfortable with technology, architectural decisions and technical trade-offs
• Previous experience in our backend tech stack - Java, Spring, AWS and who is a strong advocate of tight feedback loops through mechanisms including, but not limited to automated tests, CI/CD pipelines and frequent releases
• A balance of self-reflection and bias for action
• Strong ownership and excellent communication
• A drive for positive, proactive impact

We understand that great engineering managers may not have everything listed here, and that is OK. If you believe you can make a difference, lead a happy & high-performing engineering team and you have the drive to make a positive impact on the business, we’d love to hear from you.

What’s in it for you:

• A people and technical leadership role in an engineering organisation that actively values excellence and doing the right thing, in a business that cares for its associates and has interesting problems to solve around growth, security, availability and performance in a highly regulated space.
• A learning environment with access to many excellent resources including online technical courses and in-person leadership training
• A competitive salary and immediate access to core benefits including salary sacrifice pension scheme with up to 10% company contribution, bonus, generous holiday entitlement, private medical insurance and flexible benefits including season ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspace and facilities designed to inspire and support you. In our (quite beautiful) London office, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

What you’ll get to learn (any previous experience would be advantageous)

• Solve real world problems, navigate ambiguity and deliver on the public cloud (AWS) to drive growth and operational efficiencies in an ambitious and growing UK business
• Influence change in a complex regulated environment

Where and how you’ll work

This is a permanent position based in our London office.

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What you should know about how we recruit

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages.

We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few:

• REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies
• OutFront - to provide LGBTQ+ support for all associates
• Mind Your Mind - signposting support and promoting positive mental wellbeing for all
• Women in Tech - promoting an inclusive environment in tech
• EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry
• Enabled - focused on supporting associates with disabilities and neurodiversity

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

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White Collar Factory (95009), United Kingdom, London, London Lead Software Development Engineer - Services

About this role

Capital One’s mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose primary role is to be an enabler of our ambitions.

Capital One is looking for a Senior Software Development Engineer to join a backend team, based in our London office on a hybrid basis.

Our Engineers are people who lead by example, build strong and valuable relationships and have the confidence to influence at all levels. We are proud of who we are and what we do and want you to join us at this particularly exciting time at Capital One.

What you’ll do

• You will lead a team or cross-functional squad in the delivery of complex and ambiguous projects that support a broader business outcome
• You will take end-to-end responsibility for technical design, implementation, and operational considerations
• Collaborate with engineers, architects, product owners, and stakeholders to ensure successful project outcomes
• You will play a crucial role in supporting the elevation of engineering enablement, excellence, and experience across the broader engineering community
• You will collaborate and contribute to the development and dissemination of standardised and sustainable best practices, tools, patterns, and frameworks that enhance the productivity and quality of engineering efforts business-wide
• Your focus is on a major portion of existing or new team software (e.g., significant component, set of features, mid-size application or service)
• You’ll work to achieve the goals and vision shared by Product Management and your Tribe Leadership
• Innovate within your team, initiative area and contribute within your technical domain

What we’re looking for

• Proven experience in technical leadership, including leading a team or cross-functional squad
• Proven experience working in both backend services and mobile technologies
• Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST
• Experience with AWS and strong understanding of cloud-based development
• Extensive, demonstrable knowledge of designing architectures that are secure and perform at scale
• You’re able to effectively communicate and work collaboratively across engineering to maximise inner-sourcing opportunities and reduce waste
• Proven experience ability to deliver high quality applications at scale
• An advocate for quality and the ability to support the team, leveraging approaches such as Pair Programming, TDD and BDD

Where and how you’ll work

This is a permanent position and will be based in our London office.

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What’s in it for you

• Bring us all this - and you’ll be handsomely rewarded with a role contributing to the product roadmap for an organisation committed to transformation
• We’re continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve
• We love continuous learning and that’s why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future
• We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)
• Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

What you should know about how we recruit

We are committed to creating a level playing field and seek to create teams that are representative of our customers and the communities we serve. We’d love to hear from you if you identify with a typically under-represented group in our industry and are particularly keen to hear from women and ethnic minority candidates.

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages.

We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few:

• REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies
• OutFront - to provide LGBTQ+ support for all associates
• Mind Your Mind - signposting support and promoting positive mental wellbeing for all
• Women in Tech - promoting an inclusive environment in tech
• EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One’s recruiting process, please send an email to

• Location: London

• Days in the Office:2 days per week

• Job Title:Senior Engineer

• Key Skills:

• Work embedded in a cross-functional team with software developers, technical product owners and testers all working together towards common goals to develop JVM applications using Test Driven Development and Pair Programming

• Drive the design and implementation of our systems, knowing the context and why we are implementing what we are implementing, whilst always looking to improve our systems and ways of working

• Mentor and coach other engineers

• A willingness to pair program

Must-Haves:

• Strong verbal communication and collaboration skills
• In-depth knowledge and hands-on experience in a cross-functional, agile development team
• Enthusiasm for code development and education in this area

Nice-to-Haves:

• Experience in pair programming
• Proficiency in idiomatic Kotlin for application development

Experience:

• Extensive knowledge of Java programming language (5 years+)
• 5+ years practical experience in test driven development

AI Integration:

• We have an AI special interest group and are adopting AI based on individual context

Principle Java Engineer Salary to £70k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i.e. you have at least 5 years residency in the UK with no more than a 3 month break outside the UK. This company is a Workflow & AI Orchestration Specialist. They're on a mission to modernise how public sector organisations manage casework, derive insight from data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for an experienced (Principle/Team Lead) Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Youll collaborate with solution architects, business analysts, and designers to translate workflows into elegant, maintainable code. Youll play a key part in defining technical standards, optimising runtime performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates should be comfortable with that being 2-3 days per week. Client sites could be anywhere but will most likely be in & around London. Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based microservices, APIs, and connectors within orchestration flows Translate BPMN and DMN models into executable workflows and reusable components Collaborate closely with analysts and service designers to refine and iterate business processes Develop and maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided in the UK for the past 5 years) and prepared to go through UK SC Security Clearance Strong experience in Java software engineering and object-oriented design Strong Spring (Boot) experience Experience with REST APIs, and microservice architectures Knowledge of Docker and Kubernetes for containerisation and orchestration Proficiency in Git, CI/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some exposure to process automation or microservice orchestration Desirable Experience with Camunda 8 (Zeebe) clusters and Operate/Tasklist components Experience implementing solutions using Camunda 7 or 8 (BPMN/DMN) Familiarity with Camunda connectors, external task workers, and scripting extensions Exposure to cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (Terraform, Helm) Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you are a UK National and able to achieve SC or DV clearance. i.e. you have at least 5 years residency in the UK with no more than a 3 month break outside the UK. NB: for non-UK Citizens; we cannot accept applications from anyone requiring sponsorship (now or in the future) for UK permanent employment status. If you are utilising a work visa this must allow you to work in the UK unrestricted for at least the next 5 years. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage

Are you a Senior Software Engineer looking for an interesting job opportunity? Our client, TKMS ATLAS UK, are seeking a Senior Software Engineer with skills in Java to work on the development of marine-based autonomous systems. This job will be based out of TKMS ATLAS UK's headquarters in Winfrith, Dorset. This position will need weekly onsite working, around 3 / 4 days onsite per week. Required Knowledge, skills and qualities • Proven ability to support software delivery • Educated to Degree or equivalent level in a software engineering or related discipline • Understanding of Autonomous systems, and their architectures • Understanding of the Military and Marine domain • Knowledge and understanding of Software Engineering & delivery lifecycles, and integration with project management principles and practise • Experience of Software Engineering processes and tools • Ability to work in multi-disciplinary teams, across the whole engineering lifecycle, from inception to support • Ability to work closely with end users to understand usage of software, and identify together where improvements can be developed Primary Software Skills: Java Java Build Systems (e.g. Maven) ISO 9001 Atlassian Toolset Other Desirable Software Skills: HMI Development (e.g. JavaFX) GIS Development Communication interface design and development Control Systems Git version control UML Behavioural requirements Ability to work well in a team environment, consisting of software engineers as well as engineers from other disciplines Interest in the development of future naval systems Appreciation of the usage of the end products in the field Desire to expand own knowledge base as well as sharing knowledge within the wider team Ability to work closely with those outside of the organisation, both end users and suppliers to meet and understand the requirements of the final product Willing to take a leading role in development, and represent the company in cross party workshops About TKMS Atlas UK Progression and personal development opportunities are available, flexible working and a generous pension scheme. TKMS ATLAS UK has a reputation for providing innovative underwater systems for the Royal Navy (RN) and export customers. Through science, engineering and R&D they convert data into information, knowledge and capabilities that challenge the status quo, and offer winning advantage at the frontline. The continuous investment in our unique in-house test and integration facilities has supported TKMS ATLAS UK's growth in supplying UK and global markets with submarine and ship systems. This includes sonar, autonomous systems, marine electric actuation and mine counter-measures. The successful candidate must be able to achieve full UK SC level Security Clearance. TPBN1\_UKTJ

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform.

This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical. You’ll design and build ultra-low latency pricing and risk systems that directly power our global trading operations.

If you thrive in performance-critical environments and want your work to have real market impact, we’d love to hear from you.

Ultra-Low Latency Engineering

• Develop and optimise high-performance Java (21+) systems for pricing, risk and trading.
• Build and enhance components within a low latency, high-throughput trading architecture.
• Apply advanced concurrency, memory management and performance tuning techniques.

System Design & Ownership

• Take responsibility for designing scalable, resilient and maintainable systems.
• Contribute to architectural decisions across the trading and risk platform.
• Build tooling to improve monitoring, maintenance and performance diagnostics.

Trading-Focused Collaboration

• Work closely with Quants, Financial Engineering, Front Office and Business Operations.
• Support live trading systems, troubleshooting time-critical production issues.
• Contribute to the continuous evolution of our electronic trading infrastructure.

Mentorship & Technical Leadership

• Provide guidance and mentorship to junior developers.
• Champion engineering best practices, clean code principles and robust design patterns.

What You’ll Bring

• Strong hands-on Java development experience within low latency financial systems.
• Deep understanding of performance optimisation, concurrency and JVM internals.
• Experience working on pricing, risk or electronic trading platforms.
• Knowledge of FIX protocol, order routing and broker connectivity highly beneficial.
• Strong mathematical and problem-solving mindset.
• Experience across asset classes such as FX, Equities, Commodities or Derivatives preferred.
• Ability to operate calmly in a fast-paced, front-office trading environment.
• Experience mentoring engineers and influencing technical direction.
• Minimum 2:1 degree in Computer Science, Mathematics, Physics or another numerate discipline.

Why Join CMC Markets?

• Direct impact on global trading and risk systems.
• Close proximity to the trading floor and real-time market operations.
• High-visibility role within a performance-driven engineering culture.
• Strong focus on continuous learning and technical excellence.
• Clear progression opportunities into senior technical and leadership roles.

CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.

Senior Java Software Engineer (Contractor)

UK-Based Fully Remote

Outside IR35

Contract to Dec 2026

We are supporting a global engineering and technology organisation in the search for a Senior Java Software Engineer (Contractor) to join their Performance Engineering & Research team.

This is a fully remote opportunity (UK-based candidates only) working on robust, scalable software that supports sophisticated control algorithms and performance optimisation systems.

The Role

You will design, build and maintain efficient, high-performance Java applications, contributing across the full software development lifecycle including:

• Requirements analysis and system design
• Development and implementation
• Testing and deployment
• CI/CD and automation improvements
• Technical documentation

Working under the guidance of the Principal Performance Engineer, you will collaborate with solution design, integration, simulation and delivery teams globally.

What We re Looking For

• Minimum 5 years professional Java development experience
• Strong understanding of OOP, design patterns and software architecture principles
• Proven experience delivering scalable, maintainable systems
• Experience with version control (Git) and CI/CD tools (e.g., Jenkins)
• Exposure to containerisation and logging technologies (e.g., Docker, ELK)
• Strong analytical and problem-solving capability
• Excellent communication skills

Nice to have: Experience within logistics, WMS or warehouse automation however strong Java developers from any industry will be considered.

Contract Details

• Fully remote (UK-based candidates only)
• Outside IR35
• Contract funded through December 2026
• Full-time engagement
• ASAP start
• No predefined rate band quality is prioritised

ATA is committed to creating a diverse workforce and is an equal opportunities employer. We welcome applications from all suitably qualified persons regardless of age, disability, gender, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, and sexual orientation

Are you looking for an opportunity to shape the future of software quality in a forward-thinking company?

Are you experienced within C/C++ and Java?

If YES, you could be the Software Engineer we are looking for!

What are the benefits of a Software Engineer?

• Competitive salary
• Based in Kettering, Northants, this role offers a hybrid working option
• Career development opportunities
• Become a member of an Employee-owned trus
• Cycle to work scheme
• Option to buy additional leave
• Option to join Private medical insurance

What are your key responsibilities?

• Develop and maintain software applications that control our automated warehouse systems, ensuring high performance, scalability, and reliability.
• Collaborate with project managers, engineers, and clients to deliver tailored software solutions based on project specifications.
• Work on system integration and ensure that software interfaces smoothly with hardware and control systems.
• Conduct testing, troubleshooting, and debugging to optimise software performance and resolve issues.

What we are looking for?

• Degree in Computer Science, Software Engineering, or a related field.
• Experience in C/C++ and Java
• Competent in Linux (Unix) based operating systems and able to write shell scripts
• Experience with warehouse management systems (WMS) or automation systems is a bonus.

Apply now to start your next chapter!