We believe in better. And we make it happen.

Better content. Better products. And better careers.

Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate.

We turn big ideas into the products, content and services millions of people love.

And we do it all right here at Sky.

What you’ll do

• Design and implement scalable APIs and backend services, primarily in Scala, to integrate ML models into production systems and deliver personalised experiences.
• Real time data processing and gRPC microservices (Typelevel stack).
• Take end-to-end ownership of services, from development to production operations
• Optimising the performance of the application in the cloud environments
• Creating/improving automated pipelines that support our Continuous Delivery process
• Build, scale and maintain large scale cloud-based services
• Work closely with data scientists, ML engineers, and product teams to align technical solutions with business goals.
• Refining the team processes to continuously integrate and working towards a continuously deliverable application.
• Championing best practices to develop clean, resilient code that performs at serious scale.
• Coaching and providing feedback to fellow developers.

What you’ll bring

• Strong software engineering skills with experience in Scala, ideally the typelevel stack (bonus if you have exposure to Golang and Python).
• Interest in machine learning, personalisation systems and cloud technology - even if you haven’t worked extensively in ML before.
• Demonstrated experience designing, implementing, deploying, and maintaining production-grade APIs and backend services, including responsibility for reliability, performance, and on-call support.
• Hands-on experience working with data processing frameworks and distributed systems used to ingest, process, and store large-scale datasets, with an understanding of scalability, fault tolerance, and performance considerations.
• Practical experience with modern software development practices, including automated CI/CD pipelines, containerisation technologies (e.g., Docker), and deploying applications to cloud environments (e.g., AWS or GCP).
• Ability to collaborate effectively across teams and communicate technical concepts clearly.
• A problem-solving mindset and eagerness to learn new technologies and approaches.
• Ability to challenge technical choices, architecture, tools and processes

Team overview

Global OTT Technology

Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. No matter the device, the time or the place, we make sure that our diverse audiences can easily find and enjoy whatever they want to watch, choosing from the world’s best entertainment, news and sport.

The rewards

There’s one thing people can’t stop talking about when it comes to : the perks. Here’s a taster:

Sky Q, for the TV you love all in one place

The magic of Sky Glass at an exclusive rate

A generous pension package

Private healthcare

Discounted mobile and broadband

A wide range of Sky VIP rewards and experiences

Inclusion & how you’ll work

We are a Disability Confident Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all, and will make reasonable adjustments to support you where appropriate. Please flag any adjustments you need to your recruiter as early as you can.

We’ve embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You’ll find out more about what hybrid working looks like for your role later on in the recruitment process.

Your office space

Osterley

Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There are also plenty of bike shelters and showers.

On campus, you’ll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed, and even get pampered at our beauty salon.

We’d love to hear from you

Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It’s a place where you can explore what if, how far, and what next.

But better doesn’t stop at what we do, it’s how we do it, too. We embrace each other’s differences. We support our community and contribute to a sustainable future for our business and the planet.

If you believe in better, we’ll back you all the way.

Just so you know: if your application is successful, we’ll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

We believe in better. And we make it happen.

Better content. Better products. And better careers.

Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate.

We turn big ideas into the products, content and services millions of people love.

And we do it all right here at Sky.

What you’ll do

• Design and implement scalable APIs and backend services, primarily in Scala, to integrate ML models into production systems and deliver personalised experiences.
• Real time data processing and gRPC microservices (Typelevel stack).
• Take end-to-end ownership of services, from development to production operations
• Optimising the performance of the application in the cloud environments
• Creating/improving automated pipelines that support our Continuous Delivery process
• Build, scale and maintain large scale cloud-based services
• Work closely with data scientists, ML engineers, and product teams to align technical solutions with business goals.
• Refining the team processes to continuously integrate and working towards a continuously deliverable application.
• Championing best practices to develop clean, resilient code that performs at serious scale.
• Coaching and providing feedback to fellow developers.

What you’ll bring

• Strong software engineering skills with experience in Scala, ideally the typelevel stack (bonus if you have exposure to Golang and Python).
• Interest in machine learning, personalisation systems and cloud technology - even if you haven’t worked extensively in ML before.
• Demonstrated experience designing, implementing, deploying, and maintaining production-grade APIs and backend services, including responsibility for reliability, performance, and on-call support.
• Hands-on experience working with data processing frameworks and distributed systems used to ingest, process, and store large-scale datasets, with an understanding of scalability, fault tolerance, and performance considerations.
• Practical experience with modern software development practices, including automated CI/CD pipelines, containerisation technologies (e.g., Docker), and deploying applications to cloud environments (e.g., AWS or GCP).
• Ability to collaborate effectively across teams and communicate technical concepts clearly.
• A problem-solving mindset and eagerness to learn new technologies and approaches.
• Ability to challenge technical choices, architecture, tools and processes

Team overview

Global OTT Technology

Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. No matter the device, the time or the place, we make sure that our diverse audiences can easily find and enjoy whatever they want to watch, choosing from the world’s best entertainment, news and sport.

The rewards

There’s one thing people can’t stop talking about when it comes to : the perks. Here’s a taster:

Sky Q, for the TV you love all in one place

The magic of Sky Glass at an exclusive rate

A generous pension package

Private healthcare

Discounted mobile and broadband

A wide range of Sky VIP rewards and experiences

Inclusion & how you’ll work

We are a Disability Confident Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all, and will make reasonable adjustments to support you where appropriate. Please flag any adjustments you need to your recruiter as early as you can.

We’ve embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You’ll find out more about what hybrid working looks like for your role later on in the recruitment process.

Your office space

Osterley

Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There are also plenty of bike shelters and showers.

On campus, you’ll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed, and even get pampered at our beauty salon.

We’d love to hear from you

Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It’s a place where you can explore what if, how far, and what next.

But better doesn’t stop at what we do, it’s how we do it, too. We embrace each other’s differences. We support our community and contribute to a sustainable future for our business and the planet.

If you believe in better, we’ll back you all the way.

Just so you know: if your application is successful, we’ll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

Our growing client based in Manchester is currently looking for Golang Software Engineer.

Youll take ownership of core backend systems, lead by example across technical delivery, and support the growth of the engineering team. Expect a hands-on role with real influence over architecture, tooling, and development standards.

Responsibilities:

• Designing and developing scalable backend services using Go
• Building secure, cloud-native infrastructure on AWS
• Collaborating with frontend engineers (React) for full-stack feature delivery
• Driving engineering best practices and contributing to team rituals

Key Skills and Experience:

• Deep understanding of Go and backend systems architecture
• Strong knowledge of AWS cloud services and DevOps principles
• Understanding of frontend/backend collaboration (React experience a plus)
• A mindset focused on quality, performance, and maintainability
• Clear communication skills and a collaborative attitude

You will have;

• Modern technology stack: Go, AWS, microservices
• A supportive, inclusive company culture with a real focus on impact
• Flexible working - 1days in the Manchester office per week.

Interested? Please Click Apply Now!Software Engineer (Go, AWS)

Our growing client based in Manchester is currently looking for Golang Software Engineer.

You’ll take ownership of core backend systems, lead by example across technical delivery, and support the growth of the engineering team. Expect a hands-on role with real influence over architecture, tooling, and development standards.

Responsibilities:

Designing and developing scalable backend services using Go

Building secure, cloud-native infrastructure on AWS

Collaborating with frontend engineers (React) for full-stack feature delivery

Driving engineering best practices and contributing to team rituals

Key Skills and Experience:

Deep understanding of Go and backend systems architecture

Strong knowledge of AWS cloud services and DevOps principles

Understanding of frontend/backend collaboration (React experience a plus)

A mindset focused on quality, performance, and maintainability

Clear communication skills and a collaborative attitude

You will have;

Modern technology stack: Go, AWS, microservices

A supportive, inclusive company culture with a real focus on impact

Flexible working - 1 days in the Manchester office per week.

Interested? Please Click Apply Now!

Software Engineer (Go, AWS)

Senior Software Controls Engineer – Portchester - £75k – Semi remote
Hexwired Recruitment has partnered with a well established and growing Electronics Manufacturer in Portchester who are now seeking a Senior Software Controls Engineers with solid experience in Control systems to help develop their next generation of Electrification systems. .
The company are rapidly expanding due to successful investment as well as partnerships with several multinationals in their sector. You will be part of a world leading R&D team developing ground breaking solutions.
As a Senior Software Controls engineer, you will be developing solutions to complex energy constraints utilising the latest technology in control systems and analysis.
Key Skills:
* 3+ years commercial using Matlab/Simulink for Code Generation and Simulation
* Experience working in a regulated development environment (Aerospace, Automotive, Marine etc)
* Good experience in C for Control system Algorithms
* Previous experience working on Electrification projects is highly desirable but not essential.
The company are rapidly expanding and are at the forefront of their industry. They are looking to pay circa £75k + an excellent benefits package. If you’re interested in this Senior Software controls role, please apply.
For more information on this role, or any other jobs across; Embedded, C++ programming, Embedded Linux, Golang Development, FPGA, Python, Javascript, C#, Electronics, Secure Boot, Power Electronics, Digital Design, Machine Learning, Data Science or Simulation contact us today

Location:  Hybrid – UK Contract Type: Permanent Hours: Full time Salary: Competitive COMPANY OVERVIEW MOBKOI is a fast-growing mobile company headquartered in London, with offices across central Europe, US and Asia. We use the latest in mobile ad technology to help premium brands effectively reach and engage with their clients' audiences. Bringing to market the most selective site list of premium global and local publishers enabling brands to be selective of where their ads are going to run and thus ensuring brand safety. MOBKOI prides itself on offering full transparency, bespoke creative builds and local market coordination. We are part of The Brandtech Group, formerly known as You & Mr Jones, working with partners developing the best technology across the globe. ROLE OVERVIEW As a Backend Software Engineer (Junior–Mid Level) – Programmatic, you will contribute to the development and evolution of MOBKOI’s programmatic advertising platform. You will work closely with experienced engineers on backend systems that power real-time bidding (RTB), campaign delivery, and large-scale integrations with SSPs and DSPs. This role is well suited to engineers early in their career who want to deepen their expertise in distributed systems, low-latency services, and cloud-based infrastructure, while gaining exposure to the programmatic advertising ecosystem. You will be supported through mentorship, code reviews, and progressive ownership of backend components. RESPONSIBILITIES •    Contribute to the development and improvement of MOBKOI’s programmatic backend systems, including components of the real-time bidding (RTB) pipeline. •    Support the design and implementation of scalable, reliable, and high-performance services handling large volumes of traffic. •    Work alongside senior engineers to help evolve system architecture while balancing performance, cost efficiency, and reliability. •    Assist in monitoring system performance and contribute to initiatives that optimise infrastructure usage and operational cost. •    Participate in diagnosing and resolving issues related to distributed systems, including latency, availability, and scaling challenges. •    Implement backend components following best practices in fault tolerance, load balancing, and resilient design. •    Develop an understanding of the programmatic advertising ecosystem, including SSPs, DSPs, bidding flows, and ad exchanges. •    Contribute to discussions around technology selection, tooling, and build-vs-buy  decisions. •    Collaborate with product, data, and business teams to ensure technical solutions align with business needs. •    Actively participate in code reviews, technical discussions, and continuous improvement initiatives. KEY SKILLS & COMPETENCIES •    Experience in backend software development, gained through a first professional role, internship, or apprenticeship. •    Solid engineering fundamentals with Go (or another backend language with a strong willingness to learn Go). •    Interest in or exposure to distributed systems and high-traffic environments. •    Understanding of core concepts around scalability, reliability, and high availability. •    Familiarity with cloud platforms such as AWS or GCP. •    Awareness of cost-efficient engineering practices and infrastructure optimisation. •    Curiosity about the programmatic advertising landscape and how technical systems support business outcomes. •    Strong collaboration skills and the ability to communicate clearly within a cross-functional team. BEHAVIOURS This role operates in a fast-moving, high-standards environment and requires someone who is motivated to learn, take ownership, and deliver quality work. The role holder is expected to manage their time effectively, adapt to change, and contribute positively to team and business outcomes. The role offers autonomy and is suited to someone who is comfortable balancing independent work with cross-functional collaboration. What we’re looking for: •    Motivation to contribute to the growth and success of the business •    A proactive, adaptable mindset with the ability to learn quickly •    Strong ownership and accountability for outcomes •    Clear and professional communication with a range of stakeholders You may also have experience in the following: Backend Software Engineer, Junior Backend Engineer, Mid-Level Backend Developer, Go Developer (Golang Engineer), Software Engineer – Backend, Programmatic Engineer, AdTech Engineer, RTB Engineer (Real-Time Bidding Engineer), Distributed Systems Engineer, Cloud Backend Engineer (AWS / GCP), Platform Engineer – AdTech, API Developer (Backend), High-Performance Systems Engineer, Programmatic Advertising Developer, Software Engineer – AdTech REF-(Apply online only)

Location: Hybrid UK
Contract Type:Permanent
Hours: Full time
Salary: Competitive

COMPANY OVERVIEW

MOBKOI is a fast-growing mobile company headquartered in London, with offices across central Europe, US and Asia. We use the latest in mobile ad technology to help premium brands effectively reach and engage with their clients’ audiences.

Bringing to market the most selective site list of premium global and local publishers enabling brands to be selective of where their ads are going to run and thus ensuring brand safety. MOBKOI prides itself on offering full transparency, bespoke creative builds and local market coordination. We are part of The Brandtech Group, formerly known as You & Mr Jones, working with partners developing the best technology across the globe.

ROLE OVERVIEW

As a Backend Software Engineer (JuniorMid Level) Programmatic, you will contribute to the development and evolution of MOBKOIs programmatic advertising platform. You will work closely with experienced engineers on backend systems that power real-time bidding (RTB), campaign delivery, and large-scale integrations with SSPs and DSPs.

This role is well suited to engineers early in their career who want to deepen their expertise in distributed systems, low-latency services, and cloud-based infrastructure, while gaining exposure to the programmatic advertising ecosystem. You will be supported through mentorship, code reviews, and progressive ownership of backend components.

RESPONSIBILITIES

Contribute to the development and improvement of MOBKOIs programmatic backend systems, including components of the real-time bidding (RTB) pipeline.
Support the design and implementation of scalable, reliable, and high-performance services handling large volumes of traffic.
Work alongside senior engineers to help evolve system architecture while balancing performance, cost efficiency, and reliability.
Assist in monitoring system performance and contribute to initiatives that optimise infrastructure usage and operational cost.
Participate in diagnosing and resolving issues related to distributed systems, including latency, availability, and scaling challenges.
Implement backend components following best practices in fault tolerance, load balancing, and resilient design.
Develop an understanding of the programmatic advertising ecosystem, including SSPs, DSPs, bidding flows, and ad exchanges.
Contribute to discussions around technology selection, tooling, and build-vs-buy decisions.
Collaborate with product, data, and business teams to ensure technical solutions align with business needs.
Actively participate in code reviews, technical discussions, and continuous improvement initiatives.

KEY SKILLS & COMPETENCIES

Experience in backend software development, gained through a first professional role, internship, or apprenticeship.
Solid engineering fundamentals with Go (or another backend language with a strong willingness to learn Go).
Interest in or exposure to distributed systems and high-traffic environments.
Understanding of core concepts around scalability, reliability, and high availability.
Familiarity with cloud platforms such as AWS or GCP.
Awareness of cost-efficient engineering practices and infrastructure optimisation.
Curiosity about the programmatic advertising landscape and how technical systems support business outcomes.
Strong collaboration skills and the ability to communicate clearly within a cross-functional team.

BEHAVIOURS

This role operates in a fast-moving, high-standards environment and requires someone who is motivated to learn, take ownership, and deliver quality work. The role holder is expected to manage their time effectively, adapt to change, and contribute positively to team and business outcomes.

The role offers autonomy and is suited to someone who is comfortable balancing independent work with cross-functional collaboration.

What were looking for:

Motivation to contribute to the growth and success of the business
A proactive, adaptable mindset with the ability to learn quickly
Strong ownership and accountability for outcomes
Clear and professional communication with a range of stakeholders

You may also have experience in the following: Backend Software Engineer, Junior Backend Engineer, Mid-Level Backend Developer, Go Developer (Golang Engineer), Software Engineer Backend, Programmatic Engineer, AdTech Engineer, RTB Engineer (Real-Time Bidding Engineer), Distributed Systems Engineer, Cloud Backend Engineer (AWS / GCP), Platform Engineer AdTech, API Developer (Backend), High-Performance Systems Engineer, Programmatic Advertising Developer, Software Engineer AdTech

REF-226 991

Senior Backend Engineer

London - 4 days on site

Up to £110k + benefits

We’re hiring for one of the UK’s fastest growing fintech scale-ups. As a Senior Software Engineer, you will be deeply hands-on designing, building, deploying and operating scalable infrastructure services as part of a platform team. This is a role for someone who enjoys solving hard distributed systems problems and building robust foundations that others depend on.

Responsibilities:

Design, build, deploy, and operate secure, scalable infrastructure and automation

Improve and develop tools that make infrastructure easier for engineers to use

Research and adopt modern cloud-native technologies and best practices

Promote high engineering standards across code quality, testing, and automation

Skills:

Strong backend engineering capability (Golang, Java, or .NET)

Strong hands-on experience building and operating distributed systems in cloud environments (AWS or GCP)

Kubernetes and container orchestration experience

Infrastructure as Code experience (Terraform, Pulumi, Crossplane or similar)

Proven track record leading platform or reliability transformations

Ability to influence across teams without formal authority

If you want to work on a product used by over 100,000 customers this is the role for you.

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.

TPBN1_UKTJ

Software Engineer (Go, AWS) Our growing client based in Manchester is currently looking for Golang Software Engineer.

Youll take ownership of core backend systems, lead by example across technical delivery, and support the growth of the engineering team. Expect a hands-on role with real influence over architecture, tooling, and development standards.

Responsibilities: Designing and developing scalable backend services using Go

Building secure, cloud-native infrastructure on AWS

Collaborating with frontend engineers (React) for full-stack feature delivery

Driving engineering best practices and contributing to team rituals

Key Skills and Experience: Deep understanding of Go and backend systems architecture

Strong knowledge of AWS cloud services and DevOps principles

Understanding of frontend/backend collaboration (React experience a plus)

A mindset focused on quality, performance, and maintainability

Clear communication skills and a collaborative attitude

You will have; Modern technology stack: Go, AWS, microservices

A supportive, inclusive company culture with a real focus on impact

Flexible working - 1days in the Manchester office per week.

Interested? Please Click Apply Now!Software Engineer (Go, AWS)

TPBN1_UKTJ

Senior Software Engineer
Fully Remote – UK
Golang / GCP / Terraform
£75,000-£85,000

We have partnered with a fast-growing, cloud-native technology company delivering child safety & well-being solutions to clients across the UK and Europe. The platform is built on modern microservices architecture, leveraging Go (Golang) and Google Cloud Platform (GCP) to power high-performance systems that are used by thousands of customers daily.

Founded over 10 years ago, the company have grown into a global leader within their respective field who are now part of a wider group and now looking to expand their development team with new projects launching this year. The role is fully remote within the UK, and any successful candidate would need to be based in the UK. Sponsorship cannot be offered for this role.

Key Responsibilities

Design, develop and maintain backend services using Golang
Build and deploy scalable Cloud platforms on GCP – AWS or Azure is fine
Good experience with SQL and working with large datasets.
Confident on the Frontend, working with Typescript & React.
Contribute to system architecture and technical decision-making
Develop RESTful APIs and event-driven microservices
Work with cloud-native technologies including containers and serverless
Implement CI/CD pipelines, Terraform and infrastructure-as-code
Other non-essential skills include: Machine Learning, .Net, Testing.
Open to mentoring junior developers and leading on projects.
Salary: £75,000-£85,000
Benefits: Bonus, Share Scheme, 25 Days Holiday, 8% Pension, Private Medical.

If this role sounds of interest, please apply and I can give you a call.

Tim Stock
(phone number removed) | (phone number removed)
(url removed)
(url removed)

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.

Senior Software Engineer (Tech Agnostic- Python, Go, Rust)

Hybrid- London

£100,000-£135,000 + Generous Equity + Strong Package

Series A | High-Growth Tech

We’re partnered with one of Europe’s fastest-scaling technology startups, fresh off a major Series A raise and building at extraordinary pace.

This is not a typical feature-delivery role. This is an opportunity to help redefine how goods move in the digital economy- working at the intersection of distributed systems, routing algorithms, machine learning, and real-world operational systems.

The Team

Close to 100 people globally and will be looking to almost double the team in 2026

More than half in Engineering, Product and Data

Culture built around experimentation, high standards and rapid feedback loops

You’ll work closely with senior engineering leadership who have previously scaled large distributed systems and ML-driven platforms at global technology companies.

Tech Environment

Backend systems currently built in Python, looking to move to Golang or Rust

Typescript

Cloud-native architecture on GCP (BigQuery, Cloud Run)

Extensive use of ML modelling and LLM inference

Robotics and IoT integrations across operational workflows

What You’ll Do

Own engineering problems end-to-end across backend and systems architecture

Contribute to optimisation engines and real-time decision systems

Work across the stack, from infrastructure to operational tooling

Solve complex real-world challenges

Spend time in-field understanding real-world operational impact

Ship fast, iterate quickly, and raise engineering standards

This is a high-autonomy, high-impact role suited to engineers who thrive in fast-moving, intellectually rigorous environments.

Hiring Process (Typically Completed Within 1-2 weeks)

30-minute Talent Screening

1-hour tech interview

2-hour design interview

1-hour team & culture fit interview

Who This Role Suits

You are likely to succeed here if you:

Enjoy working in a fast paced environment (Startup/scaleup vibes)

Define problems clearly and measure impact rigorously

Enjoy tackling complex technical challenges

Move quickly and embrace iteration

Take ownership from start to finish

Value high standards and candid feedback

Want to build technology that operates in the real world, not just on a screen

Package

£100k-£135k base salary (depending on experience)

Very competitive equity package with annual top ups

Bupa private medical

Gym Membership

25 days of holiday

Enhanced Parental Leave

Fully paid for team socials

Hybrid working (4 days onsite in North London)

Opportunity to join at a critical scale-up inflection point

If you are a Senior Software Engineer looking to build systems that reshape an industry, this is a rare opportunity.

Please click apply now if you would like to speak about this one!

TPBN1_UKTJ

Contract Software Engineer (Golang)

Location: Hybrid, 3 days per week onsite in Burgess Hill

Rate: £280 per day (Inside IR35)

Duration: 12 months

Tech: Golang, Java, Git, REST, Jenkins, NoSQL, Postgres/ql

We are hiring for a consulting tech agency partnered with a major fintech organisation. This is a strong opportunity for a Golang Software Engineer to join a large-scale fintech programme delivering customer-focused digital solutions.

We are looking for a Golang Software Engineer to work within a microservices architecture, building REST APIs and asynchronous messaging services such as Kafka or RabbitMQ. This Golang Software Engineer will operate within a Scrum framework, contributing to business-critical functions delivered through a fully automated CI/CD pipeline. The successful Golang Software Engineer will be comfortable with testing practices and modern engineering standards. This Golang Software Engineer role is ideal for someone experienced in regulated or fintech environments.

Required Skills

• Golang
• Microservices architecture
• REST and asynchronous messaging (Kafka, RabbitMQ)
• Scrum / Agile delivery
• CI/CD pipelines and automation

Desired Skills

• Degree in Computer Science, Engineering, or equivalent experience
• Test-Driven Development (TDD), BDD
• Unit, integration and regression testing
• Kafka, PostgreSQL, gRPC, Docker, GraphQL
• Jenkins, JIRA or Rally
• Git or SVN

Tech environment includes: Golang, Java, REST, Git, Jenkins, NoSQL, PostgreSQL, Kafka, Docker.

If you are a Golang Software Engineer seeking a 12-month contract in a fintech environment, apply now.

Hybrid (2-3 days onsite, Central London) | £75,000 - £85,000 + benefits A high-growth technology company operating at the intersection of real-time data, analytics, and cutting-edge product development is entering an ambitious expansion phase and is looking to hire a Senior Software Engineer to play a key role in its next stage of growth. This is an opportunity to work on mission-critical, real-time systems used at scale, with genuine ownership across architecture, development, and delivery. The role is hands-on, commercially focused, and suited to someone who enjoys solving complex technical problems in a fast-moving environment. What you'll be working on Building and evolving high-performance, real-time platforms that process and deliver live data Developing production-grade systems end-to-end, from requirements and design through to deployment and support Working across modern backend and frontend technologies, contributing to system architecture and scalability Collaborating closely with product and commercial stakeholders to deliver features that matter Supporting live systems, including participation in an out-of-hours support rota Tech environment You'll be working in a modern, cloud-based stack that includes: Backend & Frontend: Python, TypeScript, Golang, Node.js, JavaScript, React Data: PostgreSQL and NoSQL databases Cloud & DevOps: AWS, CI/CD pipelines, Terraform (desirable) Tooling: GitHub, Slack, Trello, Notion Experience with real-time systems (such as betting, trading, finance, or high-throughput data platforms) is highly advantageous, as is any exposure to data science, machine learning, or wearable/sensor technologies. What they're looking for 5+ years' experience in commercial software development Strong system design skills and the ability to work within a wider architecture A delivery-focused mindset with high standards for quality and reliability Comfortable working in both project delivery and live support environments Able to communicate complex ideas clearly to technical and non-technical audiences Self-motivated, adaptable, and confident taking ownership The setup Hybrid role with 2-3 days per week onsite in a Central London office Full-time, permanent position Competitive salary £75k-£85k, depending on experience 25 days holiday, contributory pension, and the chance to grow with a scaling business If you're a senior engineer who enjoys real-world impact, technical depth, and ownership, this is a role worth exploring. Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website. TPBN1\_UKTJ

Embedded Software Engineer – £50k - £60k – semi remote - Cambridge Hexwired Recruitment is recruiting for an expanding Electronics Manufacturer based in Cambridge now seeking an Embedded Software Engineer to help deliver key projects utilising Signal processing algorithms! The company are expanding to meet the demands of their clients and are seeking an Embedded Software Engineer ideally with experience working on Firmware RTOS. You will be working with customers internationally utilising the latest technology in Signal Processing. This is an Embedded Software Engineer job focusing on RF products. Key Skills: \* 3+ commercial Embedded software experience \* Good commercial RTOS experience \* Experience or knowledge of SPI, I2C or UDP \* Experience working on RF or SDR products is highly desirable but not essential \* Any DSP experience is advantageous but not essential The company are looking to offer circa £60k along with an excellent benefits package, excellent career progression and the chance to work on a diverse range of products. If you’re interested in this Embedded Software engineer job, please apply. For more information on this role, or any other jobs across; Embedded, C++ programming, Electronics, FPGA, Javascript, C#, Python, LLM, Data Science, Embedded Linux, Golang Development, Machine Learning, Data Science or Simulation contact us today

Embedded Software Engineer - £45k - £65k - Worcester Hexwired Recruitment has recently partnered with a highly successful solutions provider based in Worcester now seeking an Embedded Software engineer to help develop a brand new product the company is looking to bring to the market. The company are expanding due to increased interest in their products and are now seeking a talented Embedded Software engineer ideally with experience working on Embedded Linux, ideally working at the kernel level and Userspace Linux. This is a mosrlt onsite Embedded Software role, due to the nature of the work. You will be required to get security clearance. Key Skills \* Degree in Embedded Systems, Electronics or similar \* 3+ years commercial Embedded software development experience \* Good commercial Embedded Linux experience (Linux Kernel or Userspace Linux considered) \* Experience working to CI/CD processes \* Experience working on algorithm design using Matlab/Simulink or C++ is advantageous but not essential \* Any experience or interest in Wireless comms is highly desirable \* Ability to gain security clearance. The company are looking to offer circa £65k dependent on experience along with excellent benefits. If you’re interested in this Embedded Software role, please apply. For more information on this role, or any other jobs across; Embedded, C++ programming, Embedded Linux, Golang Development, Machine Learning, Data Science or Simulation contact us today

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base.

The company has a worldwide impact in the marine sector by leading the next generation of maritime domain awareness technologies “MDA”, products, and systems that significantly enhance security, safety, environmental protection, and sustainability. Our customers are global and range from the largest national coast guards to individual vessel owners.

SRT is an exciting company where high-quality results are rewarded. We are ambitious and constantly seek to innovate in order to deliver better products and services to our customers. We strive to make SRT a rewarding and challenging place to work, where talented, hard-working individuals have the opportunity to make a real impact across the marine industry.

We’re seeking an experienced and versatile Senior Sensor Engineer join our Edge Team. This is a rare opportunity to help define and deliver our cutting-edge Maritime Surveillance and Fisheries Monitoring solutions, working at the intersection of hardware, software, and advanced sensor technologies.

About the role of Senior Sensor Engineer - (not exhaustive):

In the Edge Team, you’ll work on the “sensors at the fringe” fixed and mobile surveillance equipment such as radars, cameras, RDF, AIS, and other specialist maritime sensors. Your mission as a Senior Sensor Engineer will be to integrate, calibrate, and optimise these systems in non-production environments, building the software that makes their outputs usable for downstream systems and training our Delivery Team for fielddeployment.

The role spans multi-domain sensor fusion, AI-assisted analysis, anomaly detection, augmented reality, autonomous sentry operation, and evidence collection. You’ll work closely with colleagues across software, hardware, data science, and infrastructure to bring innovative, high-performance edge solutions to life.

What You’ll Be Doing - Senior Sensor Engineer

• Design, develop, and maintain edge-sensor solutions focusing on performance, reliability, and scalability.
• Build test infrastructure to capture and analyse quality and performance metrics
• Work across the stack - UI, backend, robotics, device integrations, networking - learning new technologies as needed
• Collaborate with cross-functional teams to plan, build, and test complex functionality
• Diagnose and resolve technical issues through root cause analysis
• Automate SDLC processes to improve efficiency and reduce manual effort
• Produce and maintain technical documentation
• Mentor peers, contribute to code reviews, and promote collaborative working practices

What You’ll Bring - Senior Sensor Engineer

• Strong engineering mindset with experience in one or more of: Microsoft .Net, GoLang, Python, C++, Rust.
• Broad exposure to remote sensing disciplines, including:
  • Mathematics, physics, and geospatial mapping
  • Working with sensor hardware and electronics
  • Networking principles, protocols, and services
  • Application development across embedded, desktop, and web platforms
  • Video and radar signal processing (e.g., OpenCV)
  • AI-based, hardware-accelerated image processing (e.g., YOLO)
• Familiarity with Enterprise Systems architecture
• Experience with version control systems (Git) and SDLC automation tools
• Excellent problem-solving, debugging, and collaboration skills

Our Values at SRT

Ambition - Aspiring to lead in maritimedomain management
Innovation - Driving improvement through creativity and forward-thinking
Quality - Committing to high standards in performance and reliability
Responsibility - Being individually accountable and team-driven
Team - Collaborating openly with colleagues, partners, and customers

Why Join Us?

• Work on mission-critical maritime surveillance systems used worldwide
• Be part of an ambitious, innovative, and supportive team
• Make a direct impact on global maritime safety and sustainability
• Enjoy flexible hybrid working
• Competitive salary and benefits, including:
  • Matched pension contributions up to 5%
  • Private health care
  • Development and training programmes

SRT Marine Systems plc is an equal opportunity employer. We are committed to creating an inclusive environment for all employees and welcome applications from all backgrounds.

A leading global financial services business has an exciting opportunity for a Platform Lead / Engineering Manager to join a dynamic team and play a central part in shaping and extending our internal developer platform which underpins how engineers build, deploy and operate applications across the organisation. Your decisions will directly influence developer experience, security and scalability.

You will lead a distributed engineering team, support their development, and guide day-to-day technical direction for the platform. You will define and refine the product vision, using customer feedback, stakeholder needs and market insight to set priorities and maintain a clear backlog. The role requires close collaboration with application developers, product owners, security and data teams, and includes contributing to enterprise architecture reviews to maintain engineering quality and compliance.

Essential Skills / Experience

Strong familiarity with the Kubernetes ecosystem and hands-on cloud engineering experience is essential - (this is a K8s-first role) + cluster add-ons, networking (Cilium), policy engines (Kyverno), and autoscaling (Karpenter).

Build out - Namespace-as-a-Service capabilities

Review and challenge Kubernetes-related architectural proposals

Debug complex issues across the Kubernetes stack using structured root cause analysis

Review pull requests in Python and Golang that directly interact with the Kubernetes API

Tech Stack

AWS EKS

Cilium

Kyverno

Karpenter

Python

Golang

Kanban

CNCF Stack

GitOps / CD

Policy as Code

IaC

Observability

Visible presence in the cloud native community through open source contributions, community engagement, or conference speaking would be amazing but not essential.

Principal Embedded Software Engineer– Southampton - £70k - £80k Hexwired Recruitment has partnered with a world renowned Electronics manufacturer based in Southampton who are now seeking a Principal Embedded Software Engineer to help develop and maintain a brand new system the company is developing. The company are recognised globally, and are expanding because of a healthy order book. The company are now seeking a Principal Embedded Software Engineer with excellent experience leading technical projects as well as working autonomously on new projects. This is a Principal Embedded Software role focusing on Processor design as well as comm interfaces. Due to the nature of the work, this will be a mostly onsite role. Key Requirements: \* Bachelors, Masters or PhD in Computer science, Embedded Systems, Maths, Physics or similar \* 10+ years commercial Embedded software experience \* Excellent Firmware RTOS experience \* Good commercial Serial Comms experience (RS232, RS422, TCP/IP etc) \* Any experience working on testing embedded code is highly desirable. The company are looking to offer circa £80k dependent on experience. Along with an excellent benefits package. If you’re interested in this Principal Embedded Software role, please apply. For more information on this role, or any other jobs across; Embedded, C++ programming, Embedded Linux, FPGA, Python, Electronics, Hardware, Golang Development, Machine Learning, Data Science or Simulation contact us today

Our growing client based in Manchester is currently looking for Golang Software Engineer.

You ll take ownership of core backend systems, lead by example across technical delivery, and support the growth of the engineering team. Expect a hands-on role with real influence over architecture, tooling, and development standards.

Responsibilities:

• Designing and developing scalable backend services using Go
• Building secure, cloud-native infrastructure on AWS
• Collaborating with frontend engineers (React) for full-stack feature delivery
• Driving engineering best practices and contributing to team rituals

Key Skills and Experience:

• Deep understanding of Go and backend systems architecture
• Strong knowledge of AWS cloud services and DevOps principles
• Understanding of frontend/backend collaboration (React experience a plus)
• A mindset focused on quality, performance, and maintainability
• Clear communication skills and a collaborative attitude

You will have;

• Modern technology stack: Go, AWS, microservices
• A supportive, inclusive company culture with a real focus on impact
• Flexible working - 1 days in the Manchester office per week.

Interested? Please Click Apply Now! Software Engineer (Go, AWS)