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    Remote .NET Developer – AI Driven Cloud & Full Stack

    A leading tech company in London is seeking multiple gifted .NET Developers with a passion for innovative software solutions. The role offers the chance to work on groundbreaking projects in a dynamic team. Applicants should possess skills in .NET, .NET Core, C#, and Azure SQL, with full training provided in adv ...

    Remote Ruby Developer Build & Scale with React Exposure

    A leading health tech company in Greater London is seeking a Ruby Developer to create, scale, and maintain code as part of their expanding team. You will collaborate with product teams and focus on best practices. Ideal candidates should have over a year of commercial Ruby development experience and a good under ...

    FX Technology – Cross Border Payments, Senior Developer (VP)

    About Citi As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad range of teams, roles, and cu ...

    Developer Experience Engineer: Build Open Source Tools & Community

    A cutting-edge AI organization in Greater London is seeking a Developer Experience Engineer to enhance the accessibility of their tools and APIs for developers. The ideal candidate will have a strong background in open source contributions and TypeScript full-stack development. Responsibilities include maintaini ...

    .NET Developer Remote/London | WPF, SQL Server, Azure

    A leading tech recruitment agency is seeking a .NET Developer at all levels to join a dynamic team in London. You will work on a revolutionary product with the potential to impact millions. Key skills include .NET, C#, WPF, and SQL Server. The role offers training in modern technologies such as Azure SQL and emp ...

    Remote Frontend Developer Real time UI (React/TypeScript)

    iO Associates is seeking an experienced Frontend Developer for a 6-8 month contract, primarily remote with occasional client visits. You will contribute to a critical-infrastructure platform being developed for Belfast Hospital, working with React components per a detailed developer specification. The ideal cand ...

    Senior Ruby Developer Hybrid Health Tech, Rails & AWS

    Oliver Bernard is seeking a Senior Ruby Developer to join a leading health tech company in Greater London. This hybrid role requires solid experience in Ruby on Rails and a background in product-focused development. You will work on APIs and core infrastructure, enjoying autonomy within a supportive team. The po ...

    Online English Writing & Analysis Course Developer (1 8)

    JadeClass Education is seeking an engaging online teacher for students aged 6-16 focused on writing and analysis skills. Responsibilities include delivering lessons, grading, and supporting students through innovative lesson planning. Applicants should have a fun personality, good communication skills, and be ad ...

    Real Time WebGL Developer | Three.js for Global Campaigns

    Templeton & Partners - Innovative & Inclusive Hiring Solutions is seeking a Creative WebGL Developer to create immersive, real-time experiences for a major Media company's global campaigns. This role involves building dynamic WebGL content from concept to launch in a fast-paced, collaborative environment. You'll ...

    Senior Developer Success Engineer: Scale Cloud Native Apps

    Temporal Technologies is looking for a Senior Developer Success Engineer to support our developer community in deploying and scaling Temporal. You’ll tackle challenges in cloud-native environments using your expertise in distributed systems. The ideal candidate should have over 6 years of experience in programmi ...

    Frontend React Developer – Hybrid UI for AI Finance

    A dynamic tech company in Greater London is seeking a React Developer to join its growing development team. You will implement user interface components using React and work collaboratively to produce clean, efficient code. The role offers competitive salary ranging from £60,000 to £75,000, hybrid working option ...

    Hybrid Java Full Stack Developer: Spring Boot + Frontend

    LA International is seeking a Java Full Stack Developer for a 12-month hybrid contract based in Manchester, requiring 3 days onsite. The role involves building and maintaining Java-based microservices, developing front-end applications with Angular or React, and integrating workflows with external systems. Candi ...

    Low Latency Quant Developer for Digital Asset Trading

    Forward Role Recruitment is seeking an Exchange Trading Quant Developer in London. This hybrid role centers on building and optimizing core trading systems for a global digital assets market maker. Candidates should possess strong experience in Java, Python, or Rust, and a solid background in low-latency systems ...

    Senior Java Developer Fixed Income Algo Technology, VP

    Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape ...

    Hybrid London FX eTrading Java Developer Low Latency

    Experis - ManpowerGroup in London is seeking a Snr eTrading Developer FX eFX for a contract role until 30/12/2026. The successful candidate will design, develop, and test low latency trading systems within the FX eRisk IT team. Applicants must have solid experience in Java server-side development, with a focus o ...

    iOS App Developer | swift | dev | for climate change!

    We're on a mission to create a global movement of climate action. We make climate action easy, fun & social. We are a global network of highly skilled developers, activists and professionals all on a mission to help solve the greatest threat to humankind! Join us! We’re making an environmen ...

    Anaplan Architect / Developer role in London or Canada

    Job Title: Anaplan Architect / Developer Experience: 5+ Years London /Canada Summary: Looking for an Anaplan Architect/Developer with experience in Integrated Financial Planning (IFP) to design and build scalable planning solutions. </p ...

    GenAI Senior Lead Developer — AI Enablement & Full Stack

    Broadridge is seeking a Senior Lead Developer to join our AI Enablement Team in Greater London. The role involves designing and implementing solutions to enhance AI capabilities, focusing on GenAI projects. Candidates should have a degree in a relevant field and at least 7 years of experience in IT solutions, wi ...

    Senior Alveo Developer: AWS Cloud & Market Data Pipelines

    EPAM Systems is seeking a Senior Alveo Developer to lead the design and optimization of market data unification processes in a dynamic financial environment. The ideal candidate will have hands-on experience with Alveo or similar data management platforms, strong programming skills in Java, Python, or Scala, and ...

    Dynamics 365 Developer for Government Ready CRM & .NET

    Scrumconnect Limited in Greater London is seeking an experienced Dynamics 365 Developer to design and implement solutions. The successful candidate will ensure compliance with government standards and collaborate with cross-functional teams. You will develop scalable, user-focused systems and implement patterns ...

    Public Sector Dynamics 365 Developer Power Pages (Flexible)

    Scrumconnect Consulting is searching for an experienced Microsoft Dynamics 365 Developer in Greater London. In this role, you'll work on a large public sector digital transformation programme, collaborating with civil servants and various stakeholders. Key responsibilities include developing Dynamics 365 solutio ...

    BXTI, Site Reliability Engineer Data, Cloud & Developer Experience

    Blackstone is the world’s largest alternative asset manager. We seek to create positive economic impact and long-term value for our investors, the companies we invest in, and the communities in which we work. We do this by using extraordinary people and flexible capital to help companies solve problems. Ou ...

    Quant Developer: High Perf Trading Engines + Stock Options

    TankX is a quantitative trading company located in Greater London, seeking a skilled engineer to design low-latency trading systems. You'll build robust C++ engines and optimize performance while collaborating closely with data engineers. A Bachelor's or Master's in a related field is required, alongside strong ...

    Salesforce Developer — Vlocity & Core, Build Next‑Gen CX

    iO Associates is seeking a Salesforce Developer in the City of London to design and implement industry-specific solutions leveraging Salesforce and Vlocity. The ideal candidate will have expertise in Apex, Lightning Web Components, and OmniStudio, and will work collaboratively in a fast-paced consulting environm ...

    Low Latency C++ Quant Developer (HFT) in London

    Jobs via eFinancialCareers is seeking a Quant Developer to join the HFT team in London. The role involves designing and operating ultra-low-latency systems critical for global trading. Candidates should have at least 5 years of development experience in performance-critical C++. The position offers a collaborati ...

    Front Office FX IT Developer (Java/C#) – London

    Crédit Agricole SA is seeking a Developer based in London, UK. The role involves enhancing front-office systems for foreign exchange trading, managing project deliveries, and automating processes. Candidates should have a strong desire to learn, excellent communication skills, and experience in C# or Java. A rec ...

    .NET Developer – GCP, REST APIs & Public Sector Projects

    Methods Business and Digital Technology Ltd is looking for a skilled .NET developer to enhance public sector projects. You will leverage your expertise in ASP.NET, GDS design, and SQL databases while working in a collaborative environment. Our company offers extensive training programs, competitive benefits, and ...

    Remote Lead Frontend Developer for UK Gov Projects

    Amber Labs is seeking a Lead Frontend Developer to lead technical delivery on high-impact government programmes, creating secure, accessible, user-focused digital services. The role requires experience in modern web technologies and UK central government projects. You will guide development teams, make architect ...

    C# Developer Front Office Engineering | Hedge Fund London

    We’re working with a leading fixed income hedge fund in London that is expanding its front‑office engineering team. The fund has a strong performance track record, a deep commitment to technology, and a culture where engineers work side‑by‑side with quants and traders to build the systems that drive the in ...

    Web App Developer ERP Specialist (On site, RRSP)

    Sterling Marking Products Inc. is seeking an ERP Analyst in London with a permanent employment contract. The position offers a salary between £43,000 and £48,000 annually for 37.5 hours of work per week. Candidates must hold a relevant college certificate or diploma and have 1 to 2 years of experience. The job r ...

    Quant Developer (Rust/C++) for Crypto Trading, Dubai

    TechShack is hiring a Quantitative Developer for their trading systems team. This position involves building and maintaining automated trading systems across various exchange venues using C++, Rust, and Python. The ideal candidate has three+ years of experience in production trading systems and solid knowledge o ...

    Front Office FX Developer (C#/Java, SQL, Trading)

    Crédit Agricole CIB is looking for a Developer with experience in C# or Java to enhance its front-office systems in the financial services sector. The role involves collaborating with users such as traders and risk analysts, and responsibilities include developing systems for foreign exchange trading, managing v ...

    PHP JavaScript Developer Fintech in London Quant Capital

    Job Opening: PHP JavaScript Developer in Fintech Our client is a successful online media business and digital payments firm, experiencing high demand for their services. They are currently seeking a PHP JavaScript Developer with expertise in object-oriented and asynchronous programming. Re ...

    Lead Python Developer (Hybrid) FinTech, Up to £120k

    Client Server is seeking an experienced Python Developer / Team Lead in Greater London, offering a salary up to £120k plus benefits. You will lead a small tech team to enhance core banking features, refactor code, and collaborate on problem-solving. Ideal candidates will have strong Python skills, team leadershi ...

    Senior .NET Developer for Financial Risk & Securities Lending

    LanceSoft UK is hiring a Senior C# / .NET Developer for a 6-month hybrid contract in London. The role involves designing and supporting high-performance systems for financial services, focusing on Risk Management and Securities Lending. Candidates must have strong experience in C# and .NET, along with proven ski ...

    FX Front Office Java Developer Low Latency Trading

    Albany Beck is looking for a Java Developer to join a strategic modernization program aimed at migrating a business-critical FX trading platform from C++ to Java. The ideal candidate will work closely with traders and business analysts, developing high-performance low-latency applications in a fast-paced trading ...

    Lead Android Developer: Kotlin, CI/CD, London (Freelance)

    RED Global is looking for a Lead Android Developer in London for a Freelance, hybrid role lasting 3 months or more. The successful candidate will lead the design, architecture, and delivery of scalable Android applications while mentoring other developers. Adept in Kotlin, CI/CD, and Android SDK, you will ensure ...

    Python Developer Backend or Full Stack London Hybrid

    Our client is building AI products that automate complex, document-heavy workflows for financial services businesses - and they’re looking for ambitious Software Engineers to help scale the platform. This is the kind of environment where engineers ship fast, solve real problems, and see their work ...

    Hybrid BI Developer: Turn Data into Real Impact

    Holland Mountain is seeking a BI Developer to work in a dynamic hybrid environment based in London Bridge. The successful candidate will be responsible for translating evolving requirements into effective data solutions while managing multiple projects and competing priorities. Strong SQL Server skills, experien ...

    Frontend Java Developer Fintech in London Quant Capital

    Frontend Java Developer – Fintech £90,000 Plus 10% to 40% Quant Capital is urgently looking for a Frontend Java Developer to join a well-known trading firm. No experience of finance is needed; finance isn’t what this firm does, tech is. Our client is innovative and accountable. Add ...

    Node.js Developer (Financial Services) in London Quant Capital

    Latest Development Frameworks and Tools The company utilizes the latest development frameworks and tools to create cutting edge applications. Their current stack includes Node.js/Mongo DB on the back-end and React, Flux, Backbone, JQuery, and SASS on the front-end. Node.JS Developer Requir ...

    Senior Fullstack Java Developer Mobile and Web (London)

    Java Script Works is seeking a Senior Fullstack Java Developer in London, United Kingdom. The role requires proficiency in modern technologies such as React, Swift, Objective C, and Java for mobile development. Candidates should have 5 to 7 years of experience in native mobile application development for both iO ...

    Senior Mulesoft Developer in London N Consulting Ltd

    Senior Mulesoft Developer London, United Kingdom Posted 10 months ago Tech Stack Scrum Agile Java Qualifications MuleSoft Certified Developer (Level 1 or 2) Experience with CloudHub , Runtime F ...

    AVP Java/Kotlin Developer Hybrid, Global Finance Impact

    Citibank (Switzerland) AG in London seeks a Java (Kotlin) Developer to join their dynamic Tech team. In this hybrid role, you'll own key components within the Core Prime Brokerage platform while actively contributing to agile development practices. The ideal candidate will have demonstrated experience ...

    Senior Java Developer (Chinese Speaking) in London Eeze

    Senior Java Developer (Chinese Speaking) London, United Kingdom Posted 10 months ago Role Overview As a Senior Java Developer within the Slot Team, you will play a crucial role in the improvement of our legacy Backoffice, design and develop a brand new Backoffice ...

    Remote Power BI Developer — Performance Dashboards & Data Models

    Nigel Frank is seeking a Power BI / Data Performance Specialist for a fully remote contract opportunity lasting 3 months, likely to extend. The role focuses on establishing reporting capabilities from scratch, delivering performance-driven insights to stakeholders, and enhancing data maturity. Candidates should ...

    Python developer fund in London Jobs via eFinancialCareers

    Python developer - fund London, United Kingdom Posted 9 months ago Tech stack Python Operations Platform Operations Team Expansion We are looking to expand our Platform Operations team with a highly motivated Python Developer to cont ...

    Frontend Java Developer Fintech London + 10 40% Bonus

    Java Script Works is seeking a Frontend Java Developer to join a well-known trading firm in London. This role offers a competitive salary of £90,000 plus performance bonuses of 10% to 40%. Ideal candidates will possess strong skills in JavaScript, React, and other modern technologies. Prior experience in finance ...

    Java Developer Algo Trading in London Quant Capital

    Java Developer – Algo Trading Location: London, United Kingdom Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their Algo Trading Strategy team. This will be building out a brand new greenfield trading platform to replace the ORC suite. You wi ...

    Full Stack Python Developer in London Quant Capital

    Full Stack Python Developer Location: London, United Kingdom Posted 10 months ago Overview This is a job posted by our partner Jooble. Tech Stack Computer Science Full-stack JavaScript Python Qualific ...

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      Software Developer Pythonreact Jobs in London Job Search Guide, Trends and Insights