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    Hybrid Mainframe Developer — CICS / z/OS Expert

    N Consulting Limited is seeking a Mainframe Developer with experience in IBM Mainframe technologies, including CICS, z/OS, and COBOL, to work on critical banking applications. The role involves development, maintenance, and optimization of legacy systems, with a focus on performance tuning and production support ...

    Remote Full Stack Developer — React + .NET Core

    Crises Control is seeking a Full Stack Developer experienced in React.js, .NET Core, and MS SQL to join their team in Greater London. The role involves designing and developing user interfaces and robust APIs while collaborating with cross-functional teams in an Agile environment. Candidates should have 3+ years ...

    Junior Quant Developer – HFT & Low Latency Trading

    Queueco Limited is seeking a graduate for an onsite role as a quantitative developer specializing in High-Frequency Trading (HFT) in Greater London. You will work with traders to understand market data and APIs, requiring strong programming skills and attention to detail. Candidates with relevant internships or ...

    VP Quantitative Developer High Performance Pricing & Risk

    Citigroup Inc. is seeking an experienced Quantitative Developer to join the Numerical Performance Group in London. The role involves designing and enhancing quantitative libraries for pricing and risk management, leveraging advanced mathematical techniques. Ideal candidates will have strong programming skills in ...

    Trading Developer Hybrid, Global Impact, Flexible Work

    SmartestEnergy in Greater London is looking for skilled Trading Developers to design high-performance trading tools and automate processes. In this hybrid role, you'll collaborate with various teams to build robust solutions for trading activities. Candidates should have experience with coding, statistical analy ...

    Fintech Technical Writer — API Docs & Developer Content

    Propel London Ltd. is seeking a skilled Technical Writer to contribute to the creation and maintenance of technical documentation and API references. This role demands strong experience in writing technical product content, particularly related to APIs and SDKs. The Technical Writer will work closely with variou ...

    Mobile Android Developer for Green Tech & Impact

    A technology company in Greater London is looking for a mobile developer for their Kraken Field platform, aimed at retrofitting homes with smart energy solutions. The role involves working in a multifunctional team, using Kotlin and Jetpack Compose, with a focus on app architecture and user experience. Candidate ...

    Luxury Food & Hospitality Business Developer (Key Accounts)

    CPI Selection is seeking an experienced Account Manager in Greater London to manage relationships and sell premium food products to Michelin star and fine dining establishments. The role involves 60% account management and 40% new business development with a competitive salary of up to £60k plus OTE of £10k. Can ...

    Front Office Quant Developer for Trading Systems

    Referment is looking for exceptional Quantitative Developers / Quant Researchers to join a growing technology and modelling group in London. Ideal candidates will have 2–5 years of experience in quantitative modelling, trading systems infrastructure, and programming in Python and/or C++. A strong academic backgr ...

    Quantitative Developer, Trading and Client Controls (TaCC)

    Position Overview Job Title: Quantitative Developer, Trading and Client Controls (TaCC) Location: London Corporate Title: Vice President Group Strategic Analytics (GSA) is part of Group Chief Operation Office (COO) which acts as the bridge between t ...

    C# .NET Developer – Azure, Agile & Full Lifecycle

    Expleo Group is hiring for a software development position based in Greater London, UK. The role involves building high-quality systems while following Agile methodologies and working closely with clients to deliver software solutions. The ideal candidate will hold a degree in a related field and have experience ...

    Contract: SailPoint IIQ Developer – Hybrid IAM Specialist

    CLS Group in Greater London is seeking a SailPoint Developer to enhance their Identity Access Management Operations. The ideal candidate will have at least 4 years of relevant experience, specifically in SailPoint IIQ, with a focus on creating and improving JML workflows. Responsibilities include providing opera ...

    Remote iOS Developer SwiftUI & High Performance Apps

    Galaxi Consulting Group is looking for iOS developers to design, build, and maintain mobile applications for iOS using Swift and/or Objective-C. The role involves collaboration with various teams to implement features, ensure high performance, and troubleshoot issues. This position is predominantly remote from t ...

    Dynamics 365 CRM Developer – Public Sector & Compliance

    Scrumconnect Consulting in Greater London is seeking an experienced Dynamics 365 Developer to join a high-performing team. In this role, you will design, develop, and maintain Microsoft D365 CRM solutions while ensuring compliance with strict government and accessibility standards. The successful candidate will ...

    Unit4 ERP Tech Developer Reports, Integrations & Automation

    Systems Accountants is seeking a Unit4 ERP Technical Developer based in London. This on-site role involves designing and delivering technical solutions such as reports and integrations, collaborating closely with clients to gather requirements, and maintaining existing products. Essential skills include proficie ...

    Enterprise OutSystems Developer – London (12‑Month Contract)

    Coltech is seeking an OutSystems Developer for a 12-month contract in London. The role focuses on building scalable low-code applications and solutions using the OutSystems platform. Responsibilities include designing web and mobile applications, developing integrations, and optimizing performance. Ideal candida ...

    Hybrid Salesforce Developer – London (Not for Profit)

    Understanding Recruitment NFP is seeking a Salesforce Developer in London (Hybrid) to join their not-for-profit organisation. This role involves designing and implementing custom Salesforce solutions, collaborating with stakeholders, and supporting the migration of a complex CRM. The ideal candidate should have ...

    FX Prime Brokerage Developer VP (FX Prime)

    For additional information, please review .**FX Client Platforms - Developer VP (Hybrid)**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 ...

    Health and Safety Director Mixed Use Developer

    Health & Safety Director – London, UK • Permanent, Full-Time We’re working with a leading property developer on an exceptional opportunity for a seasoned Health & Safety Director to join their team in London. This is a high‑impact, senior role at the heart of a major transformation journey – an e ...

    ServiceNow Developer with IRM & UI Builder | Cleared

    A leading IT consulting firm in Greater London seeks a skilled ServiceNow Developer to join their team. This role requires extensive experience in ServiceNow development, particularly with the IRM module and workspace development. Applicants should be certified and experienced in unit testing and documentation. ...

    Junior iOS Developer – SwiftUI & REST API Enthusiast

    Information Tech Consultants is seeking a motivated Junior iOS Developer to join their development team in London. The ideal candidate will have a passion for mobile app development, a Bachelor's degree in Computer Science, and a basic understanding of iOS development. Knowledge of SwiftUI and C# is a plus. This ...

    Front Office C# Proximity Developer Global Markets

    Quanteam UK is looking for a C# Proximity Developer to join their Global Markets Commodities IT team. The role involves developing and delivering tailored front-office applications that support trading, sales, and structuring. The ideal candidate will have strong C# skills and a background in financial markets, ...

    .NET Developer for CI/CD & Kubernetes Innovator

    A leading technology firm in the UK is seeking a skilled .NET Developer to enhance their digital infrastructure. In this role, you will design and implement scalable solutions that optimize CI/CD pipelines and leverage Kubernetes for maximum efficiency. You will work closely with cross-functional teams to tackle ...

    SQL Server Developer with SSIS and SSRS

    SQL Server Database Engineer with SSIS Our Client is a bank based in Central London – who are looking to recruit a Database Engineer with at least 5 to 7 years of solid expertise working with SQL Server, SSIS and SSRS. Responsible for the development and delivery of data pipelines (collec ...

    Low Latency Quant Developer (HFT) – Remote/EMEA

    A leading crypto trading firm is seeking a Quantitative Developer (Low Latency) to join their newly formed trading team. This full-time role involves developing trading algorithms and building systems for low-latency, high-frequency trading. Candidates should have strong programming skills, with a focus on Rust, ...

    Rust Quant Developer — Low Latency Trading Systems

    A leading trading firm in the UK is seeking a developer to design and maintain low-latency trading systems in Rust. The role involves collaboration with traders to implement strategies and build infrastructure for high-performance trading. Candidates should have experience in Rust programming and a solid underst ...

    AI Application Developer for Security Tech (Remote)

    A cybersecurity technology company is seeking an experienced AI Application Developer to design and develop machine learning models as part of an innovative team. The role involves software development, data handling, solution design, and deployment of models using popular frameworks like TensorFlow and PyTorch, ...

    Full Stack C# Developer — Enterprise Platform Engineer

    A global financial services firm in London is seeking a Full Stack C# Developer to join their Enterprise Technology team. The role involves designing and developing high-quality C#/.NET solutions, contributing to API development, and collaborating with cross-functional teams. Ideal candidates will have strong C# ...

    SQL Developer: Data Modeling, Tuning & CI/CD

    A global consulting firm in London is seeking an experienced SQL Developer to design and optimise SQL assets for a major client project. The role requires advanced SQL development skills and strong data modelling knowledge. You'll work closely with product, engineering, and analytics teams within a structured de ...

    Software Developer Enterprise Technology [Node JS / Typescript]

    About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage a ...

    Healthcare Front End Developer: Email & Banner Expert

    A healthcare communications agency in Greater London is seeking a skilled Front-End Developer to support digital asset delivery across email, HTML5 advertising, and WordPress platforms. You will build responsive HTML email templates and develop HTML5 banners. The ideal candidate has over 3 years of experience, s ...

    Remote .NET Developer — CMS & Digital Platform Expert

    A leading digital agency in London is seeking a skilled .NET Developer to join their award-winning team. This role offers an opportunity to work on innovative projects, crafting scalable .NET-driven digital platforms. The ideal candidate will have experience with .NET, .NET Core, C#, and Azure SQL, along with fa ...

    C# Intern Developer — Front Office FX Tech

    A leading bank in the United Kingdom seeks an Intern Developer to work closely with front office users in financial services. The role offers significant exposure to financial products and responsibilities include managing project deliveries and developing features for trading systems. Ideal candidates will have ...

    VP, High Touch Trading, Server Side Developer

    Who We Are: Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we’re buildi ...

    Remote .NET Developer — Fitness Tech Growth (UK)

    Join a forward-thinking company that is revolutionizing the fitness industry through technology. As a .NET Developer, you will play a crucial role in creating an app that connects fitness enthusiasts with activities that inspire them. This innovative firm values teamwork and creativity, offering a vibrant work e ...

    React Front end Developer London, United Kingdom

    As PixelPlex expands its London office, we are shorthanded without a Middle React Front-end Developer. Responsibilities Front-end development of cryptocurrency wallets, block explorers, and all kinds of apps communicating with blockchain Work in line with Scrum or Waterfal ...

    Remote Windows Platform Developer WSL2 & Cross Platform

    A technology company in the UK is seeking a Windows Platform Developer for a 9-month contract focused on designing and implementing a modern development environment. You will evaluate and implement WSL2, balance security and developer experience, and collaborate on a cross-platform strategy. Strong skills in Win ...

    Developer Relations Engineer, Android and Play, Games

    Developer Relations Engineer, Android and Play, Games London, UK Mid Experience driving progress, solving problems, and mentoring more junior team members; deeper expertise and applied knowledge within relevant area. Bachelor's degree in Computer Science, a similar ...

    Luxury Product Developer – Knitwear & Denim Flexible Hours

    A luxury fashion company in Greater London is looking for a Product Developer to enhance the flow of information between Design and Production. The role requires at least 3-5 years of experience in product development and a strong understanding of knitwear, jersey, and denim. You will monitor the collection deve ...

    C# Front Office Trading Developer | London Hybrid

    A leading global options market maker in London is seeking a junior to mid-level C# Developer to enhance trading tools in a hybrid working environment. You will collaborate with traders and quantitative researchers, develop high-performance C# applications, and build scalable systems managing market data. The id ...

    Rust Quant Developer: Low Latency Crypto Trading

    A leading cryptocurrency trading firm in Greater London is seeking a Quantitative Developer to design and maintain high-performance trading systems using Rust. This role requires strong collaboration with traders and engineers to implement robust trading strategies and improve system architecture. Ideal candidat ...

    FX Prime Brokerage Developer VP (FX Prime)

    FX Prime Brokerage Developer VP - (FX Prime) 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. F ...

    Finance Systems Developer – Hybrid (12‑Month FTC)

    RSA Group is looking for a Finance Systems Developer for a 12-month FTC based in Greater London. This hybrid role involves the delivery of finance reporting systems, requiring skills in finance systems development, SQL knowledge, and experience with CCH Tagetik. You will collaborate with finance and IT teams for ...

    C++ Junior Software Developer, London Heathrow, UK

    Want to launch your career as a C++ Junior Developer? At mthree, we match ambitious graduates with leading global companies across finance, travel, healthcare, and more. What You’ll Do You’ll work on large‑scale, mission‑critical software engineering challenges, collaborating clos ...

    Part Time Software Developer Community Current (Remote)

    Repowering London is looking for an experienced Software Developer to join the Community current development team on the Elysia solar billing operations platform. The role involves collaboration with another remote developer, focusing on high-quality and security-conscious coding. The position is a fixed term fo ...

    Freelance Business Developer (UK Market) M/F

    At Transatel, we imagine innovative cellular connectivity solutions and deploy them around the world for prestigious clients like Airbus, Stellantis, Worldline and Jaguar Land Rover. As a leading Mobile Virtual Network Operators enabler and global IoT connectivity pioneers, our SIM & eSIM connect millions ...

    FX Prime Brokerage Developer VP (FX Prime)

    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 ...

    Guidewire PolicyCenter Configuration Developer (London Markets / Lloyd's)

    Job Title : Guidewire PolicyCenter Developer (London Markets / Lloyd’s Market) About the Job you are considering : We are looking for an experienced Guidewire PolicyCenter Configuration Developer with strong London Markets / Lloyd’s of London experience to support complex Property & ...

    Security Cleared ServiceNow Developer IRM & UI Builder

    Qualifications Experienced in ServiceNow development (with appropriate certifications) Experienced in ServiceNow IRM module (and certified for Risk & Compliance) Experience with UI Builder and workspace development Can configure/develop based on approved user s ...

    Hybrid D365 CE CRM & Power Platform Developer

    Pearson Carter is seeking a D365 CE CRM Developer for a national end user in England. You'll work on exciting enterprise projects utilizing D365 CE and the Power Platform. This role offers a salary between £44,241 and £58,997, with a generous employer pension contribution of 28.97% and 25 days annual leave, incr ...

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