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Lead Developer AI
Datatech Analytics
London
Fully remote
Senior
£55,000 - £65,000
RECENTLY POSTED
+8

Lead Developer (Full Stack, AI) UK, Remote-first | £55k-£65k

Remote-first | £55k-£65k

Rare opportunity to join a high growth team building cutting edge AI products in a fast moving, creative environment.

You’ll be part of a small, high impact team with the autonomy and pace of a scale up, where decisions are made quickly and your work has real visibility. At the same time, the business benefits from the backing, stability, and support of a larger, well established organisation, giving you the best of both worlds.

This is a hands on’ Lead role, managing a small team while owning delivery across full stack development, architecture, and deployment. You’ll play a key role in shaping how AI is embedded into real, production grade products, not just experimentation.

What you’ll be doing:

Leading 2 developers while staying close to the code
Designing, building, and scaling full stack applications
Owning system architecture, deployment, and engineering standards
Integrating AI features into products using modern APIs and data-driven approaches
Improving CI/CD, environments, and overall delivery capability

Tech environment - Not set in Stone

Frontend: React, Next.js, TypeScript (or similar)
Backend: Node.js (Express, NestJS) or Python (FastAPI, Django) (or similar)
APIs: REST, GraphQL (or similar)
Databases: PostgreSQL, MongoDB (or similar)

AI / Data:
Experience integrating AI/ML features via APIs (e.g. OpenAI, Anthropic or similar)
Exposure to data pipelines, inference workflows, or retrieval-based systems (RAG, vector DBs or similar)

Cloud & DevOps:
AWS, Azure, or GCP
Docker, CI/CD pipelines (GitHub Actions, GitLab CI or similar)
Experience deploying and maintaining production systems is essential

What they’re looking for:

Strong full stack engineer with leadership experience
Proven track record delivering and deploying real products
Comfortable owning deployment and improving engineering standards
Clear communicator, able to work across technical and non-technical teams

This role isn’t for you if:

Your AI experience is limited to demos, courses, or side projects without production use
You’ve never deployed or maintained a live system end-to-end
You prefer purely frontend or backend work without full stack ownership
You’re not comfortable taking responsibility for delivery, not just contributing code
Communication with non-technical stakeholders isn’t something you enjoy

Small team, real ownership, exciting vision genuine impact.

If you’ve shipped products, can lead from the front, and want to build something meaningful in the AI space, Apply Now

No sponsorship available

Full Stack Software Engineer
Zenovo
London
Fully remote
Mid - Senior
£80,000 - £90,000
RECENTLY POSTED

Job Title: Full Stack Software Engineer (Robotic Systems) Salary Expectation: £80,000 - £90,000 (Depending on Experience) Location: UK (Remote) Note: Only candidates with permanent, unrestricted UK working rights will be considered, as visa sponsorship is not offered for this position. Overview: Zenovo is partnering with an innovative company developing advanced autonomous robotic systems to find a Full-Stack Software Engineer. This is a fully remote opportunity within the UK. You will play a key role in building the software that powers intelligent machines and their user experiences, working across web, mobile, HMIs, and internal tools that support system control and operations. This position suits an engineer who enjoys working across the full stack in a fast-paced environment and has a strong interest in autonomy, robotics, and AI. Job Responsibilities: Design and build responsive web and mobile experiences for end users. Develop intuitive interfaces for operators and remote supervision, integrating teleoperation, navigation data, and safety features. Create and maintain dashboards and front-end systems that support operational workflows and data-driven decision-making. Develop and manage scalable backend services, including APIs, databases, and real-time data pipelines. Collaborate with AI and autonomy teams to embed advanced models into user-facing products and tools. Work closely with cross-functional teams and take ownership of features from concept through to deployment. Required Skills & Experience: 5+ Years Full-Stack experience  across modern front-end frameworks (React, Vue, Svelte, etc.) and backend technologies (Node.js, Python/FastAPI, Go, microservices, SQL/NoSQL). A strong portfolio of shipped products demonstrating high-quality UI/UX, performance, and maintainable code (GitHub or demos encouraged). Experience with AI-assisted development tools such as Claude Code, OpenAI Codex, CodeRabbit, Aikido, v0, or similar, along with familiarity using AI-enhanced IDEs (e.g. VS Code with Copilot, Cursor, Antigravity) and an openness to adopting new productivity tools. Experience designing and consuming REST/GraphQL APIs, working with real-time data systems (WebSockets, Kafka, MQTT), and deploying applications to cloud infrastructure. Ability to write clean, testable, and maintainable code within a collaborative environment, with a solid understanding of CI/CD and DevOps practices. Strong problem-solving skills, self-direction, and enthusiasm for learning about robotics, autonomous systems, and heavy equipment domains. To find out more, please apply with your latest CV

Tech Lead
Spectrum It Recruitment Limited
London
Remote or hybrid
Senior
£100,000
RECENTLY POSTED

We’re looking for a hands-on Tech Lead who builds, ships, and leads by example. You’ll own architecture, contribute across the stack, and work closely with Product to turn ambiguous problems into impactful solutions. You’ll also integrate AI/LLM capabilities into production systems, ensuring reliable, real-world outcomes.

Key Responsibilities

Translate business needs into scalable technical solutions

Design and evolve system architecture

Contribute across frontend, backend, and infrastructure

Drive best practices in CI/CD, testing, and observability

Build and optimise AI-powered features (LLMs, inference pipelines)

Communicate clearly with technical and non-technical stakeholders

Lead, mentor, and support engineers

Requirements

7+ years’ software engineering experience

Proven Tech Lead or senior engineer experience

Strong product mindset and ownership

Full-stack capability (strong Python/backend focus)

Experience with AI/LLM systems (or ability to ramp quickly)

Excellent communication and leadership skills

Comfortable in fast-paced, ambiguous environments

Nice to Have

Experience with DDD, CQRS, or event-driven systems

Background in large-scale or data-intensive platforms

Familiarity with Go, Rust, or React

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

TPBN1_UKTJ

Engineering Manager (Web)
Morgan Philips UK Limited
London
Hybrid
Senior - Leader
£95,000 - £110,000
RECENTLY POSTED

We’re recruiting an Engineering Manager (Web) to join a well-known, consumer-focused organisation operating at scale across multiple markets. This role sits at the heart of a digital product environment, leading web engineering teams responsible for customer-facing platforms used by millions.

You’ll combine strong people leadership with technical credibility, working closely with Product, Design, and Commercial stakeholders to deliver high-quality, user-focused web experiences.

What You’ll Be Doing

  • Lead and grow one or more web-focused engineering teams
  • Own delivery of key customer-facing web platforms (Front End-heavy, some full-stack)
  • Partner with Product Managers to shape roadmaps and priorities
  • Balance delivery, technical quality, and long-term maintainability
  • Create an environment where engineers can do their best work
  • Support architectural decisions and platform evolution
  • Oversee modern engineering practices (CI/CD, testing, performance, security)
  • Manage dependencies, risks, and stakeholder expectations

Experience

  • Proven experience as an Engineering Manager or similar role
  • Background in web engineering (React, JavaScript/TypeScript, modern frameworks)
  • Experience with CMS (content management systems platform)
  • Experience of building teams from ground up
  • Experience leading product-led, cross-functional teams
  • Strong understanding of web architecture, APIs, and cloud-based systems
  • Comfortable operating in customer-facing, high-traffic environments
  • Hands on approach to coding.
  • Ability to translate technical concepts into business outcomes

Nice to Have

  • Experience with cloud platforms (eg Azure/AWS)
  • Exposure to CMS platforms
  • Experience in subscription based, membership based, consumer digital products
  • Familiarity with Agile delivery at scale

This is a permanent role based in the heart of central London, offering hybrid working with two to three days in the office. Salary is dependent on experience ranging from £95,000 - £110,000.

Please note you will receive an automated response advising you that we have received your CV.

Morgan Philips Group is a global talent solutions business that disrupts conventional thinking in executive search, recruitment and talent consulting. We operate in over 18 markets in Europe, North & South America, Asia, and the Middle East & Africa. We understand that the future is digital and social, so we embrace the latest technology, including video ads and CVs, as well as social recruiting. Our innovative services are tailored to the new world of work yet we do not lose sight of the fact that employees be they existing and potential are ultimately human beings.

We are committed to ensuring that all job applicants are treated equally, without discrimination because of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.

Full Stack Developer- Innovative Algo Trading
Oxford Knight
London
Hybrid
Mid
Private salary
RECENTLY POSTED

This is one of the world’s top algorithmic trading firms, looking for an experienced full stack developer to architect and design enhancements for global web-based systems using mainly Python and React.

Working closely with teams across the firm - Algo, Business Development, Middle Office, Trading Tech - your code will impact business logic, provide user-friendly interfaces, and increase the quality of the web-based infrastructure. You’ll be responsible for understanding end-user requirements, creating full-stack applications, expanding existing infrastructure and identifying opportunities for improvement.

Requirements

  • 3+ years of software development experience, including strong Python programming skills
  • Solid Javascript/Typescript experience on a modern web framework (preferably React)
  • Minimum bachelor’s degree in Computer Science, Engineering (or related field)
  • Excellent multitasking and time management skills
  • Top-notch communication skills, able to explain complicated topics to technical and non-technical stakeholders

Benefits and Incentives

  • Market-leading salary + bonuses + generous benefits package
  • Friendly, informal yet highly rewarding work culture
  • Work with the latest technologies on complex problems with significant impact
  • Feel valued and be rewarded for your hard work where coding is front and centre

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you feel you are a strong match for this role, please do not hesitate to get in touch:

Dominic Copsey
dominic.copsey@oxfordknight.co.uk
+44 (0) 203 475 7193
linkedin.com/in/dom-copsey-586478143/

Full-Stack Product Engineer- Innovative AI Start-Up
Oxford Knight
London
Hybrid
Mid - Senior
£60,000 - £80,000
RECENTLY POSTED

Salary: £60 - 80,000 base + substantial stock

Summary:

Fantastic opportunity for a Product Engineer who thrives on project ownership to join a growing AI-auditing tech firm.

Founded in 2023, and backed by some big-name investors, my client has built a trusted platform for safe and responsible deployment of AI systems. Their continuous auditing of AI models ensures transparency, independent oversight and fairness in HR and HR tech.

Reporting to the CTO and working collaboratively with product, data & customer-facing teams, this role offers the chance to work across the full stack with a visible impact on product quality, functionality and reliability. You’ll draw on your solid TypeScript and React background to strengthen product development capabilities, and contribute to backend systems in Python.

As an early product engineering hire, you will help shape the scope of how this role grows and take on more responsibility across product development. Currently an intentionally small, focused company of five people, they are looking to grow to 10 by mid-2026. Come and be a part of something special.

Skills and Experience Required:

  • 3+ years’ professional experience, with strong TypeScript and React skills (Next.js is a plus)
  • Experience shipping production software that real users depend upon
  • Strong desire to design reliable, performant, user-friendly features
  • Full-stack mindset, happy to work across both front- and backend
  • The ability to make trade-off decisions; knowing when to move fast and when to build something more robust
  • Comfortable in fast-paced, early-stage environments where you wear multiple hats

Rewards and Incentives:

  • Join a fast-growing, agile, diverse company, passionate about innovation
  • Hybrid working - 3 days/week in London office
  • Generous holiday allowance & budget for personal learning & development

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you feel you’re suitable for this role, want to hear about similar positions, or would like help hiring similar people for your company, please send your CV or get in touch.

Richard Allan
richard.allan@oxfordknight.co.uk
+44 (0) 20 3137 9574
linkedin.com/in/richardallanok

Core UI / Web Platform Engineer- Global Quant Firm
Oxford Knight
London
Remote or hybrid
Mid - Senior
£200,000
RECENTLY POSTED

Salary: up to £200k base

Summary

Leading HFT fund looking for an experienced Front End Developer to join their core UI platform team.

This is a high impact role where your primary focus is building and extending the core UI platform, using it to develop business-critical applications. You’ll collaborate extensively with a wide variety of teams, helping them use the platform to build their own applications. You’ll aim for simplicity where possible, but you’ll also build cutting-edge UIs when required.

Technology is prized by the traders as crucial to their continued success. Unique in their field, this global firm combines the lively, positive spirit of a start-up with the stability of a longer-established player.

The successful Web Platform Engineer will be comfortable within the modern web development environment (tools & techniques), with a deep empathy for the developers who’ll use your platform, always looking for improvements to increase their productivity.

Requirements

  • Minimum 4+ years of professional experience building web-based UIs
  • Extensive experience with React, Typescript, WebSocket protocols, REST, and UI unit-testing
  • Very comfortable working in a highly agile, collaborative methodology (sprints, pair-programming, testing, estimation, etc.)
  • Bonus points for Kubernetes, Helm, containers, CI/CD pipelines and/or experience working in trading / finance

NB: Please don ’ t apply if you are a fresh graduate.

Benefits

  • Competitive base salary & bonus
  • Enormous opportunity to grow, learn and have a significant business impact
  • Contributions are rewarded; career progression supported
  • Substantial benefits package, including private medical, paid parental leave, group life assurance & parking/cycle schemes

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you, or you’d like to know more, please get in touch.

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Frontend Engineer- Leading Global Crypto Market Maker
Oxford Knight
London
In office
Mid - Senior
Private salary
RECENTLY POSTED

Salary: Very competitive

This is a unique opportunity at one of the largest crypto-native algo trading firms in digital assets. Looking to further expand with a Frontend Engineer who is passionate about building useful products & applications that users love.

Working closely across multiple teams - product, marketing, trading, engineering - you’ll be developing frontend applications for the firm’s new trading products and client-facing portals. You’ll also create and drive the vision for a platform/portal from scratch, with oversight/project management of the frontend experience across a range of customer lifecycle stages.

There are no legacy systems, no multiple levels of approvals, no bureaucracy; you will have the opportunity to grow and make a direct impact on trading, with huge amounts of autonomy and responsibility right away.

Requirements

  • 5+ years of frontend development experience
  • In-depth knowledge of frontend tech stack: node.js, npm, javascript, typescript, plus popular frameworks, e.g. React
  • Good understanding of frontend/servers infrastructure, e.g. CDN, Cloudflare or similar, web servers
  • Experience developing secure frontend code (strong understanding of common security vulnerabilities like cross-site scripting, cross-site request forgery, other OWASP risks and best practices for testing & mitigating them)

Desirable

  • Interest in algorithmic trading
  • Experience in client facing financial or other professional services products

Rewards and Incentives

  • Great base salaries and industry-leading bonuses
  • Flat, non-hierarchical structure with independence & autonomy to deliver solutions
  • Join a high-growth startup with a great work culture
  • Loads of social events, onsite gym, unlimited food & drinks in the office

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you feel you are suitable for this role, drop me an email or give me a call!

Jack Peck
[e] jack.peck@oxfordknight.co.uk
[t] +44 20 3745 6537
linkedin.com/in/jack-peck-448a70131

SharePoint Engineer
McCabe & Barton
London
Hybrid
Senior
Private salary
RECENTLY POSTED
+1

Duration 6 months contract inside IR35 Rate open to match your expectation 3 days in office in London, 2 days WFH An experienced SharePoint Engineer to support the design, migration, security hardening, compliance (including data residency), and customization of SharePoint environments. This role focuses on handling unstructured data (documents, files, libraries) during migrations from legacy systems to SharePoint Online. You will ensure secure, compliant transitions while implementing branding, modern site designs, and governance controls to enhance user experience and meet regulatory requirements. This role emphasizes automating repetitive admin tasks using PowerShell and Power Automate while ensuring compliance, governance and efficient operations for document-heavy workloads. Responsibilities 1. Execute content migrations from on-premises SharePoint, legacy EDRMS, file shares, or other repositories to SharePoint Online using tools like ShareGate, Microsoft SharePoint Migration Tool (SPMT), or PowerShell scripts. 2. Assess source environments for unstructured data (documents, metadata, permissions, versions), identify issues (eg, orphaned content, large files, outdated formats), and develop migration strategies to minimize downtime and data loss. 3. Map and transform metadata, content types, permissions, and folder structures during migration while preserving integrity. 4. Design and implement modern SharePoint branding: custom themes, site templates, SPFx (SharePoint Framework) web parts/extensions, modern pages, and hub sites. 5. Customize intranet and sites with company branding (logos, colors, navigation, headers/footers) using out-of-the-box features, CSS/JSON formatting, or Power Apps/Power Automate integrations. 6. Enhance site structures, search refiners, audience targeting, and usability for better adoption post-migration. 7. Configure and maintain SharePoint Online environments, including site collections, libraries, lists, workflows (Power Automate), and integrations with Microsoft 365 (Teams, OneDrive, Purview). 8. Provide troubleshooting, training, and documentation for end-users and admins. Requirements 1. 5+ years in SharePoint engineering/administration, with proven expertise in migrations. 2. Hands-on experience with unstructured data handling in enterprise content management scenarios. 3. Deep knowledge of SharePoint Online architecture, modern vs. classic experience, SPFx, PnP PowerShell. 4. Strong knowledge C#, ASP.NET Core, .net 8/10, and PowerAutomate 5. Proficiency in migration tools (ShareGate, SPMT, AvePoint, or similar). 6. Strong understanding of Microsoft 365 security/compliance: Purview, sensitivity labels, retention, DLP, information protection. 7. Branding/customization: JSON formatting, themes, SPFx development (JavaScript/TypeScript, React). 8. Experience or understanding of API based integrations and automations 9. Copilot or AI tool knowledge or awareness. 10. Excellent problem-solving and troubleshooting abilities. 11. Strong collaboration and communication skills for working with non-technical stakeholders. 12. Experience working in Asset/investment management or at lease Financial services

Backend Software Engineer
Hays Technology
City of London
Remote or hybrid
Mid - Senior
£500/day - £550/day
RECENTLY POSTED
+6

Software Engineer - Active SC, Java, MicroservicesUp to £550 per day (Inside IR35)London / Remote6 months My client is an instantly recognisable consultancy who require a strong Software Engineer with Active Security Clearance (SC) and with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservices programme. Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Active Security Clearance (SC) Strong capability building scalable RESTful APIs and backend services in Java (Spring Boot): Postgres (or other relational SQL databases) with solid understanding of schema design and SQL Docker: Confident containerising and deploying applications Test‑Driven Development (JUnit & Mockito or similar testing frameworks) CI/CD: Hands‑on experience with Jenkins or similar automated pipeline tooling Flexibility working in agile teams and collaborating closely with engineers, product, and design colleagues Nice to have: API Specification using Swagger / OpenAPI Gradle build systems Liquibase (or similar) for database versioning/migrations Kafka or similar event‑streaming platforms React and Typescript If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)

Java HFT Developer- Leading Quant-Driven Market-Maker
Oxford Knight
London
Remote or hybrid
Mid - Senior
£200,000

Salary: up to £200k base + bonus

Summary

Tech-savvy algorithmic trading firm looking to hire a Java Developer to help develop and operate the off-exchange trading system and products. This is a superb opportunity for a well-organised and pragmatic engineer with a passion for concise, efficient code to join one of the only Java teams you will find in HFT.

A high impact role, you will be maintaining and extending the JVM-based networking platform in order for it to integrate with new trading venues and adapt to new asset classes. You’ll also be implementing new cross-asset pricing features.

The successful candidate will be an expert in Java development - your in-depth understanding of the inner workings of modern JVMs will be invaluable, particularly around performance optimisation.

Requirements

  • 3+ years’ professional experience of writing Java and/or Kotlin
  • Strong testing skills and understanding of its importance
  • Proactive and adept at managing multiple projects
  • Highly numerate, with fantastic problem-solving skills
  • Finance experience NOT necessary
  • Ideal candidate would have some UI experience, preferably React

NB: Please do not apply if you are a fresh graduate.

Benefits

  • Competitive compensation package
  • They’re willing to be flexible with WFH
  • Challenging work within a truly flat structure; ideas from everyone are encouraged and evaluated
  • Very direct impact on the PnL, with very little bureaucracy
  • Generous benefits package, including life & health insurance, pension, onsite gym, yoga, climbing wall, pool & table tennis and regular staff social events

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you, or you’d like to know more, please get in touch:

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Front End / UI Engineer- HFT
Oxford Knight
London
In office
Mid - Senior
Private salary

Summary

Front End / UI Engineer role within a leading HFT firm in London.

In this role, you will:

  • Build high-performance front ends within a trading environment.

Skills and Experience Required

  • 3 - 15 years’ UI engineering experience
  • A deep passion for Front End development
  • Proficiency with React, and ideally other FE technologies (Typescript, Javascript, React Hooks, ES6/ES7)
  • BSc / MSc required, Computer Science preferred
  • Ideally embedded within the ReactJS community + up to date with the latest features

Benefits

  • Competitive compensation
  • State-of-the-art technology

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you think you’re a good match for the role and would like further info, please contact:

Ali Wilson
ali.wilson@oxfordknight.co.uk
(+44) 07412908641
linkedin.com/in/alexander-wilson-050

Senior Frontend Engineer - London Stock Exchange Group
London Stock Exchange Group
London
Hybrid
Senior
Private salary

ABOUT US:

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.

LSEG is headquartered in the United Kingdom, with significant operations in 65 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.

OUR PEOPLE:

People are at the heart of what we do and drive the success of our business. Our values of Integrity, Partnership, Excellence and Change shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.

We know that real personal growth cannot be achieved by simply climbing a career ladder - which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 65 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.

ROLE PROFILE:

We are seeking a Senior Frontend Developer to join our Customers Identity & Access Management team at LSEG. You will play a pivotal role in maintaining and evolving our JavaScript SDK, a critical interface that enables secure authentication and seamless integration of our Authentication into client applications across to our customers.

This role is ideal for someone who thrives in developer experience, SDK design, and security-focused frontend engineering.

What You’ll be doing:

  • Own and maintain a JavaScript SDK built with React and TypeScript, enabling secure integration with our custom Secure Token Service.
  • Design intuitive, developer-friendly APIs that abstract complex authentication flows (OAuth2, OpenID Connect).
  • Ensure the SDK is secure, performant, and easy to integrate across a wide range of frontend applications.
  • Collaborate with backend engineers to align SDK functionality with evolving identity protocols and token flows.
  • Build automated tests and CI pipelines to ensure quality, reliability, and backward compatibility.
  • Write clear documentation and sample apps to support internal and external developers.
  • Stay current with frontend security best practices and contribute to platform-wide improvements.

What You’ll bring:

  • Proven of experience in frontend development, with deep expertise in React, TypeScript, and modern JavaScript.

  • Proven experience designing and maintaining SDKs or libraries used by other developers.

  • Strong understanding of OAuth2, OpenID Connect, and secure authentication flows.

  • Familiarity with CI/CD pipelines, automated testing, and versioning strategies for SDKs.

  • Experience with frontend performance optimization, cross-browser compatibility, and accessibility standards.

  • Passion for clean code, automation, and continuous improvement.

  • Excellent interpersonal skills and a passion for developer experience and security.ROLE PROFILE:

    We are seeking a Senior Frontend Developer to join our Customers Identity & Access Management team at LSEG. You will play a pivotal role in maintaining and evolving our JavaScript SDK, a critical interface that enables secure authentication and seamless integration of our Authentication into client applications across to our customers.

    This role is ideal for someone who thrives in developer experience, SDK design, and security-focused frontend engineering.

    What You’ll be doing:

    • Own and maintain a JavaScript SDK built with React and TypeScript, enabling secure integration with our custom Secure Token Service.
    • Design intuitive, developer-friendly APIs that abstract complex authentication flows (OAuth2, OpenID Connect).
    • Ensure the SDK is secure, performant, and easy to integrate across a wide range of frontend applications.
    • Collaborate with backend engineers to align SDK functionality with evolving identity protocols and token flows.
    • Build automated tests and CI pipelines to ensure quality, reliability, and backward compatibility.
    • Write clear documentation and sample apps to support internal and external developers.
    • Stay current with frontend security best practices and contribute to platform-wide improvements.
  • What You’ll bring:

    • Proven of experience in frontend development, with deep expertise in React, TypeScript, and modern JavaScript.
    • Proven experience designing and maintaining SDKs or libraries used by other developers.
    • Strong understanding of OAuth2, OpenID Connect, and secure authentication flows.
    • Familiarity with CI/CD pipelines, automated testing, and versioning strategies for SDKs.
    • Experience with frontend performance optimization, cross-browser compatibility, and accessibility standards.
    • Passion for clean code, automation, and continuous improvement.
    • Excellent interpersonal skills and a passion for developer experience and security.

Common FOOTER

What you’ll get in return:

At LSEG, we invest in excellence. You’ll be part of a high-performing team where your expertise is valued and your impact is visible. We offer:

  • Competitive compensation with performance-based rewards.
  • A flexible hybrid work model that supports work-life balance.
  • Access to cutting-edge tools and infrastructure to do your best work.
  • Opportunities for continuous learning, including certifications, conferences, and internal mobility.
  • A collaborative culture that values technical mastery, ownership, and innovation.
  • The chance to work on a globally critical system that powers secure financial transactions across markets.

Career Stage:
Manager

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject .

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

Finance Assistant
Blue Arrow
London
In office
Graduate - Junior
£15/hour - £18/hour
  1. Providing efficient finance assistance to the finance manager, including:

Maintenance of departmental capitation expenditure records, and distribution to departments on a regular basis

Processing purchase orders, receiving delivered goods and processing invoices

Control of petty cash, ensuring receipts obtained for all purchases

Receipt, recording, safekeeping and banking of all departmental cash income

Maintenance of accounts filing system, suitable for auditing purposes

Assisting the finance manager with the production of financial reports.

Maintaining the asset register

Processing agency timesheets

Support with all finance systems including payroll and agency staff pay, invoices, processing orders

Any other duties directed by the finance manager

  1. Providing assistance to members of staff with regard to purchasing, including:

Advising on best-value suppliers

Suggesting alternative goods or suppliers

Ensuring sufficient departmental funds prior to processing orders.

  1. Responsibility for Trust fund, including:

Recording of receipt and expenditure on the Trust’s accounting system

Safekeeping and banking of monies received.

General Statements

Required to carry out all reasonable duties and responsibilities of the post in accordance with the Trust’s policies and procedures and standing orders.

Enactment of Health and Safety requirements and initiatives as appropriate

All employees are required to declare any conflict of interest that may arise before or during their employment.

Any outside activities, either paid or unpaid, must not in the view of the Trust conflict with or react detrimentally to the Authority’s interest, or in any way weaken public confidence in the conduct of the Trust’s business.

Undergo and meet Trust conditions for a satisfactory enhanced DBS check.

Blue Arrow is proud to be a Disability Confident Employer and is committed to helping find great work opportunities for great people.

KDB Developer - eFinancialCareers
eFinancialCareers
London
In office
Mid - Senior
Private salary

Role: KDB Developer Location: London Rates : Flexible Start Date: ASAP About the role: The successful candidate will be an experienced ‘hands on’ KDB developer. Prior experience of distributed systems and statistical analysis is desired. The ability to react quickly to business changes and liaise with a variety of front office technology colleagues. As part of a global team the successful candidate will also be responsible for making business and regulatory driven changes. Skills: • Experience with KDB/Q • Technical design skills that focus on code reuse and ease of maintenance • Excellent troubleshooting, unit testing, and problem-solving skills • Experience with Java and JavaEE applications • Experience with JSCRIPT and Web UI technologies is a big plus • Previous exposure to equities and equities trading flows is a big plus • Previous exposure to Microsoft Azure or other cloud technologies a plus • Previous experience with Fitnesse, Automated testing tools, GITLAB & ServiceNow is a plus This role is advertised via Hays

Senior Software Engineer
Ithika Recruitment Ltd
London
Hybrid
Senior
£85,000 - £95,000
+4

Senior Full-Stack JavaScript Engineer / Senior Developer / Staff Engineer JavaScript/TypeScript / Node.js / React / Next.js / AWS Serverless London (Hybrid - office based Tues/Weds/Thurs) £90k + Bonus + Excellent Benefits Discretionary bonus (10%), Private Healthcare, 25 Days Holiday, 5% Pension, Life Insurance, 2 Volunteering Days, Season Ticket Loan Build systems that power world-class storytelling This is an opportunity for a senior, product-minded engineer to take a leading role in shaping both technology and engineering culture within a company trusted by some of the world’s most recognisable media brands. With 25 years of industry presence and a team of 140, this organisation values craftsmanship, stability, and long-term thinking over short-term delivery. Their product is central to storytelling in media so reliability, performance, and usability truly matter. The opportunity: This is not just another senior engineering role. You’ll operate as a technical leader and thought partner, contributing to architecture, guiding engineering standards and influencing how systems evolve over time. While you’ll remain hands-on, your impact will extend beyond your own code, shaping decisions, mentoring others and elevating the team. You’ll work across the full stack, owning everything from elegant frontend experiences to robust backend services and infrastructure, with the autonomy to make meaningful technical decisions. What you’ll be doing: \* Leading the design and evolution of full-stack architecture across frontend, backend, and serverless systems \* Building high-quality, performant applications using React and Next.js \* Designing and scaling Node.js APIs and distributed backend services \* Driving best practices in code quality, testing, observability and maintainability \* Partnering closely with product, design, and research to shape solutions end-to-end \* Acting as a technical sounding board and mentor within a collaborative team \* Contributing to decisions around tooling, infrastructure, and emerging technologies (including AI-assisted workflows) What success looks like: Within your first 6–12 months, you will have: \* Shaped key architecture decisions across the platform \* Delivered scalable, production-grade Node.js services supporting critical workflows \* Shipped polished, high-impact frontend experiences used daily by customers \* Improved system performance, reliability, and scalability in measurable ways \* Elevated engineering standards through thought leadership, mentorship, and best practices Tech environment: \* TypeScript / JavaScript \* Node.js (API & backend services) \* React, Next.js \* AWS Serverless (Lambda, API Gateway) \* Vercel \* SQL Server \* Algolia \* CI/CD (TeamCity) You’ll thrive here if you: \* Are a senior or staff-level engineer who enjoys owning problems end-to-end \* Think beyond implementation — you care deeply about architecture, trade-offs, and long-term impact \* Have strong experience building Node.js backends and modern React applications \* Enjoy working as a true full-stack generalist, comfortable across frontend, backend, and infrastructure \* Naturally contribute ideas, challenge thinking constructively, and raise the bar for those around you \* Value collaboration, clarity, and thoughtful engineering over quick fixes What you’ll find: \* A mature, craft-led engineering culture \* Real influence over technical direction and product decisions \* A highly collaborative, cross-functional environment \* The space and trust to solve problems properly \* A stable, successful business with meaningful impact in music and media This isn’t about chasing trends or shipping fast at any cost. It’s about building the right things, the right way and having the experience and perspective to lead others in doing the same. If you’re a Senior Full-Stack Engineer ready to step into a broader role, apply now or contact Simon Morris at Ithika Recruitment for a confidential chat. Ithika Recruitment, partnering world-class talent with world-class companies

Front End Software Engineer- World-Leading Prop Trading Fund
Oxford Knight
London
Remote or hybrid
Mid - Senior
Private salary

About the Position

Exciting opportunity to work at a tech-centric prop trading fund which trades a wide range of financial products, with offices across the globe. Looking for a software engineer who is passionate about front-end development, user-interface design, and typed functional programming. You would take part in the design and implementation of the next generation of browser-based tools for operating trading infrastructure.

You’ll be building for expert users, which means the UX bar is high, and at the same time create tools that are flexible and powerful enough to satisfy the needs of deeply engaged users.

Beyond working on the individual tools, the successful candidate will be someone who can find opportunities to create libraries and abstractions that capture common interaction idioms, and to sharpen development practices and firm-wide approach to UI development.

Seeking someone with a particular mix of skills and experience:

  • A strong background in web technologies, including browser fundamentals like CSS and the DOM, and an understanding of the principles of UI frameworks like Vue, Angular, React, and Flutter
  • Practical experience building sophisticated UIs in the browser. Someone who loves the detailed polishing that’s needed to build elegant and highly usable UIs
  • An interest in and appreciation of typed functional programming as an approach to UI construction. Experience with languages like Elm, ReasonML, Purescript, and Typescript is a plus (OCaml experience is useful, but not expected).

The role will provide opportunities to work in multiple parts of the stack, including front-ends, back-ends, middleware, and databases. The job will also involve working closely with traders and other end-users to better understand their needs.

Fluency in English required.

About the Company

Founded by a small group of traders and technologists in a tiny New York office. Today, they have nearly 2,000 employees across five global offices, trading a broad range of asset classes on more than 200 venues in 45 countries. Innovating in tech, from functional programming to programmable hardware. And while the proprietary trading business thrives, they put expertise and experience to work for their clients.

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you, or you’d like more information, please get in touch:

George Hutchinson-Binks
george.hutchinson-binks@oxfordknight.co.uk
(+44) 07885 545220
linkedin.com/in/george-hutchinson-binks-a62a69252

Full Stack Developer- Tech-Driven Algorithmic Fund
Oxford Knight
London
Hybrid
Mid - Senior
Private salary

One of the world’s top algorithmic trading firms is looking to hire an experienced Full Stack Developer. In this role, you will be responsible for automating and developing a wide variety of web-based systems with a Python backend, including their post-trade and middle-office systems.

As a Full Stack Developer, your code will impact business logic, provide user-friendly interfaces, and increase the quality of the web-based infrastructure. You will work closely with different teams such as Algo, Business Development, Middle Office, and Trading Tech.

It will be your responsibility to understand end-user needs and communicate effectively around project feasibility and timelines. You’ll interface heavily with both technical and non-technical peers. You will successfully leverage your technical skills to design and create full-stack applications, expand existing infrastructure, and identify opportunities for improvement.

Responsibilities

  • Build new web-based tooling to provide insights and enable real-time actions using financial data, operational data, trading activity, and more
  • Architect and design enhancements for the global web-based systems, mainly using Python and React
  • Working closely with a variety of senior technical and non-technical users, own projects from end-to-end, including inception, gathering and refining requirements, forming and executing a structured plan, and managing ongoing support and iterations to the initial plan
  • Work on tasks with a variety of time scopes, from quick fixes for existing processes to long-term direction setting
  • Maintain and improve existing internal and external processes and infrastructure
  • Understand and provide guidance on a large variety of data sources, minimizing unnecessary complexity through complete solutions.

Profile

  • A bachelor’s degree in Computer Science, Engineering, or a related field
  • 4+ years of software development experience
  • 3+ years of working Python programming experience
  • 3+ years of working Javascript/Typescript experience on a modern web framework (React preferred)
  • Effective verbal and written communication
  • Excellent multitasking and time management skills
  • Ability to navigate large, interconnected projects with close attention to details
  • Ability to work independently, but also collaborate effectively with team members
  • Ability to look at code, figure out how it works, and identify how to make it better
  • Be able to explain complicated topics, such as software design or business logic, to technical and non-technical stakeholders
  • Driven by curiosity
  • Thrives within a team that consistently challenges you to improve

Culture:

This fund brings a scientific approach to trading financial products. They’ve built one of the world’s most sophisticated computing environments for research and development, and their researchers are at the forefront of innovation in the world of algorithmic trading.

Colleagues come from all sorts of backgrounds: mathematics, computer science, statistics, physics, and engineering. A community of self-starters who are motivated by the excitement of being at the cutting edge of automated trading, and their culture celebrates great ideas whether they come from veterans or new hires.

Seem like something you might be interested in? The goal is to find the best people and bring them together to do great work in a place where everyone is valued. They’re proud of their diverse staff; with offices all over the globe they benefit from varied and unique perspectives.

This is an equal opportunity employer; so whoever you are they’d love to get to know you.

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you, or you’d like more information, please get in touch:

George Hutchinson-Binks
george.hutchinson-binks@oxfordknight.co.uk
(+44) 07885 545220
linkedin.com/in/george-hutchinson-binks-a62a69252

Senior Front Office Technology Solutions Engineer - Asset Management
McCabe & Barton
London
Hybrid
Senior
Private salary
+2

Our client, a leading global investment manager, are growing their European operation and are hiring a Senior Solutions Engineer to join their dynamic investment technology team in London. Focussed on fixed income, this is a senior (director level) role akin to a "distinguished engineer", working closely with portfolio managers, portfolio analysts, risk and quants, to understand current investment tooling and data challenges and then working closely with the delivery team to design and deliver new solutions. Our client hosts a modern tech stack and the successful candidate will be responsible for driving future state investment solutions, enhancing productivity through automation, and will leverage Gen AI and ML techniques to drive efficiencies. Key skills required for this role as follows: 1. Extensive experience in the asset management industry, specifically within Fixed Income, and specifically within front office. 2. Strong understanding of the investment process - portfolio construction, allocation and risk management. 3. Analytical skills - to deep-dive into current tools and workflows. 4. Software Engineering background - Java, Python, SQL, Node.js, Next.js, React, AWS, in a microservices environment. 5. Leadership skills in designing and delivering scalable technology solutions, and the mentoring of junior talent. Our client is based in central London and works a hybrid model, 3 days per week on site.

Front Office Analytics Developer - Contract - Investigo
Investigo
London
Hybrid
Senior
Private salary
+2

Senior Front Office Analytics Developer – Contract

Contract Type: 6-month rolling (high likelihood of extension)
Location: London (Hybrid)

We are hiring a Senior Front Office Analytics Developer to join a highly interactive trading environment, working directly with traders and Front Office stakeholders across energy markets.

This is a hands-on, senior-level engineering role requiring strong technical depth and the ability to operate independently in a fast-paced setting. The successful candidate will take ownership of delivery across critical Front Office platforms and real-time analytics systems.

  • Hands-on development across Front Office analytics platforms and tooling
  • Own delivery end-to-end: requirements, design, build, testing, release, and iteration
  • Build and maintain internal data platforms, analytics tools, and services
  • Work directly with traders and analysts to refine requirements and deliver solutions
  • Contribute to real-time systems supporting trading and operational decision-making
  • Manage multiple concurrent workstreams in a dynamic environment

Current & Upcoming Projects:

  • Rebuilding a core scraping platform for improved scalability and reliability
  • Developing validation tooling for analytics and data workflows
  • Building a new Front Office data portal
  • Delivering a mix of BAU enhancements and strategic initiatives

Technology Stack:

  • Core Languages: Python or C# (.NET) (strong expertise in at least one is essential)
  • Cloud: AWS
  • Frontend: React / modern UI frameworks
  • Databases: PostgreSQL, ClickHouse
  • Streaming: Kafka or similar

Required Experience:

  • Strong engineering experience within a Front Office / trading environment
  • Deep expertise in Python or C# (either is acceptable, both is a bonus)
  • Proven ability to deliver end-to-end solutions independently
  • Experience working directly with business users (traders, analysts)
  • Strong understanding of real-time systems and data-driven platforms
  • Ability to operate at a senior level, with potential to lead if required

Domain Experience (Highly Desirable):

  • Energy trading: oil & gas, power (including renewables), LNG
  • Experience with trading systems and market data platforms

Desired skill:

  • Strong independence and ownership mindset
  • Able to take minimal requirements and deliver effective solutions
  • Comfortable working both autonomously and within a team
  • Clear, pragmatic communication style when interacting with Front Office users

Additional Information:

  • Long-term need: expected to extend beyond initial 6 months (stable pipeline of work)
  • Potential for permanent conversion if of interest
  • High-impact role with direct exposure to Front Office decision-making
  • Collaborative but performance-driven environment
Tech Lead – Python / Financial Modelling / AI - Pensions
Intec Select Ltd
London
Hybrid
Senior
£650/day - £750/day

Tech Lead – Python / Financial Modelling / AI - Pensions £650 – £750 per day Outside IR35 6 Month Contract Remote (Occasional London Travel) Overview I’m currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions for a major pensions client. This role sits at the intersection of financial modelling and modern engineering, supporting the development of platforms used for forward-looking financial analysis, including discounted cashflow projections and Monte Carlo simulations. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a team of senior developers. You’ll also play a key role in shaping AI-assisted and agentic development workflows, helping embed these approaches into day-to-day engineering practices. The Role You will lead a team of four experienced engineers while remaining actively involved in the development process, with a strong emphasis on Python-led development within a modern cloud environment. Alongside technical leadership, you will coordinate delivery, run Agile ceremonies, and act as a key technical contact for stakeholders and clients. The role requires someone who leads by influence, communicates confidently with clients, and brings practical experience implementing AI-assisted and agentic engineering workflows within real delivery environments. Key Responsibilities Leading a team of four senior engineers within an Agile delivery environment Remaining hands-on with Python-led full-stack development, alongside TypeScript, React and Azure Contributing to platforms supporting financial modelling and forward-looking analytics including discounted cashflow projections and Monte Carlo simulations Championing AI-assisted and agentic engineering workflows, embedding these into development practices Running Agile ceremonies including stand-ups, sprint planning and retrospectives Managing day-to-day delivery and proactively removing blockers Acting as a key technical contact for stakeholders and clients Supporting solution design and maintaining strong engineering standards Experience Required Proven experience operating as a Tech Lead or Lead Engineer in modern engineering teams Strong Python development experience within full-stack environments Experience with TypeScript, React and Azure-based architectures Experience working on financial modelling systems, ideally involving forward-looking modelling such as discounted cashflow projections or Monte Carlo simulations Demonstrable experience implementing AI-assisted or agentic engineering approaches in practice Experience leading engineering teams within Agile delivery frameworks Strong communication skills and the ability to engage confidently with clients and stakeholders A solutions-oriented, detail-focused mindset with a strong delivery drive and principles-based approach to engineering

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