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    C# Developer: Modernize Legacy Apps with REST & SQL

    ASP.NET MVC experience would be a significant positive Entity Framework experience would be a significant positive .NET Core beneficial but not required. Good understanding of the principles of REST-based web applications. Experience dealing with existing complex legac ...

    Education Tech — Full Stack Server Developer (AWS & API)

    An educational media company is looking for a Full Stack Server Developer to join their creative team. You will build out backend systems, enhance their educational app, and manage AWS infrastructure. The ideal candidate has experience with MySQL, Java Spring, React JS, and AWS, along with excellent communicatio ...

    SQL Developer: BigQuery & ETL Expert for Digital Transformation

    A global consultancy is seeking a skilled SQL Developer to work on a significant Digital Transformation programme for a major Telecoms customer. The role involves collaborating with internal and external stakeholders to resolve technical issues, investigating data sources, and prototyping solutions. The ideal ca ...

    Contract Flutter Developer — Build High Impact Mobile Apps

    A well-known multinational corporation is seeking a Flutter Developer on contract in Greater London. The role requires 3-7 years of experience in Flutter and 3+ years with Cloud Firestore, Push Notifications, and Cloud Functions. Candidates will support various application functions, implement BLOC patterns, and ...

    D365 CE/CRM Developer Security Cleared London & Remote

    Every Cloud are currently seeking a Security Cleared D365 CE/CRM Developer for a role based in London and Remote. You will be working on a range of interesting projects and programmes, utilising your D365 CE/CRM Development expertise. Your role will include Solution Design and Development, Data Migr ...

    Software Developer Research Technology London, England, United Kingdom

    Software Developer - Research Technology XTX Markets is a leading algorithmic trading firm which uses state-of-the-art machine learning technology to produce price forecasts for over 50,000 financial instruments across equities, fixed income, currencies, commodities and crypto. It uses those fore ...

    Electrical Manager (Luxury Residential Developer) | Central London | Permanent

    Electrical Manager (Luxury Residential Developer) | Central London | Permanent Salary: £50,000 - £55,000 + package Location: London A luxury residential developer has a great opportunity for an Electrical Manager to join them on a permanent basis, based out of their Centra ...

    TikTok Shop Collectibles Account Manager / Business Developer , London

    Overview TikTok Shop - Collectibles Account Manager / Business Developer, London 3 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Responsibilities Acquire and incubate collectibles brands, distributors, a ...

    C# / .NET Developer – Front Office, FX & Orchestrade Systems

    Overview Join MARGO in the UK (London) MARGO is a tech-native consultancy delivering high value-added IT expertise to the financial services industry. We specialise in complex software engineering environments where performance, robustness, and scalability are critical: ...

    C# .NET Developer for BI Applications – London (6M)

    A leading IT service provider is looking for a C# .NET Developer to develop and support business intelligence applications for a major banking institution. This role involves understanding business requirements, programming in C# on the MS .NET platform, and collaborating with different teams to maintain system ...

    .NET Developer: High Growth Tech, Remote & Training Budget

    A leading internet company based in London is seeking a .NET Developer to work on the development of complex software applications. The ideal candidate will possess deep knowledge of .NET, .NET Core, C#, and Azure SQL, with an eagerness to learn new technologies. The position will allow for remote working, but a ...

    ServiceNow Lead Developer – Hands On with Offshore Team

    A UK technology firm is seeking a ServiceNow Development Lead to join their London-based delivery team. This hands-on role involves high-quality development and guiding an offshore team. The ideal candidate has proven experience as a ServiceNow Developer and is capable of maintaining delivery quality and pace. T ...

    Microsoft D365 Developer Dublin/London/Amsterdam/Frankfurt/Stockholm

    Overview Microsoft D365 Developer - Dublin/London/Amsterdam/Frankfurt/Stockholm Contract type: Full-time fixed term (12 months). Hybrid role open to candidates based in Dublin, London, Amsterdam, Frankfurt, or Stockholm. Responsibilities Develop, configure, and customis ...

    Java Swing Developer for High Performance Trading UI

    A financial technology firm in Greater London is seeking a Java Swing Developer to enhance its high-performance desktop trading platform. This role includes maintaining a Java Swing-based UI and transitioning the architecture to microservices. The ideal candidate will have strong Core Java skills, experience wit ...

    .NET Developer (Remote) – Flexible Hours, Azure & CI/CD

    A leading tech recruitment agency in Greater London is seeking a .NET Developer to join their dynamic team. The role involves developing .NET/C# applications for multi-platform environments and collaborating with teams to design scalable solutions. Candidates must have experience in .NET, C#, and Azure SQL. The ...

    Ruby on Rails Web Developer Agile, JavaScript/API

    A leading software development company in the City of London seeks a Ruby Web Application Developer. You will design and maintain Rails applications while collaborating in an Agile environment. Candidates should have commercial experience with Ruby on Rails, along with skills in Javascript and HTML. Knowledge of ...

    Low Latency FX Java Developer Front Office Trading

    A global consulting group is seeking a highly skilled eFX Java Developer to join their team in London. This role focuses on designing and maintaining low-latency Java applications for eFX trading systems. The ideal candidate will have strong experience in front-office systems, connectivity, and algorithmic tradi ...

    Developer Experience Engineer – Bazel & CI/CD (Hybrid UK)

    A leading technology firm in the UK is seeking a Software Engineer to enhance the Developer Experience team. You will work on cutting-edge AI accelerator solutions, improving workflows, and defining customer interactions with products. The ideal candidate has over 5 years of experience in software engineering, e ...

    Co Founding Full Stack Developer (Java/ React/ AWS)

    Overview Co-Founding Full Stack Developer (Java/ React/ AWS). Join the Revolution of On-Demand Services with Gler. (Backed by Fyaora, the backbone of next-gen platforms). Location: Remote / UK Preferred. Compensation: Equity up to 1,000,000 shares (co-founder level, no salary at initial stage). St ...

    Full Stack Node.js/React Developer Fintech Innovation Team

    Overview Full Stack Node.js/React Developer - FinTech Innovation Team Join a regulated FinTech transforming global payments. Shape the future of financial services as part of a new strategic team backed by Banking Circle’s international payment rails. We’re transforming how business ...

    Front End Prototype Developer • Blockchain Industry • London Hybrid

    Front-End Prototype Developer • Blockchain Industry • London Hybrid London A market leading blockchain technology business is looking for a talented Front-End Prototype Developer to join the growing Research & Development team. This position requires a demonstrable passion for design, resea ...

    Cloud Native Quant Developer for Risk Platform & SaaS

    A leading financial technology firm in Greater London is seeking quantitative developers to join its engineering team. In this role, you will develop features for an award-winning quantitative library and risk platform. You will enhance existing functionalities while contributing to the transition toward a cloud ...

    Rust Quant Developer: Low Latency Trading & Market Making

    A leading cryptocurrency trading firm seeks a Rust Developer to design and maintain low-latency trading systems. This role involves collaboration with traders and engineers to implement strategies and automate processes. The ideal candidate will have experience in Rust, a strong understanding of algorithms, and ...

    Quantitative Developer (Low Latency) EMEA (F/M/D)

    Flowdesk's mission is to build a global financial institution for digital assets, one designed from the ground up for market integrity and efficiency. To achieve this in a rapidly evolving market, we apply a disciplined, first-principles approach to everything we do. This approach is embedded in our ...

    Quantitative Developer (Low Latency) EMEA (F/M/D)

    Quantitative Developer (Low Latency) EMEA (F/M/D) Direct message the job poster from Flowdesk. Flowdesk's mission is to build a global financial institution for digital assets, one designed from the ground up for market integrity and efficiency. To achieve this in a rapidly evolving marke ...

    Mid Java Developer – Core Java, FinTech, Hybrid London

    A leading FinTech company in the UK is seeking a Mid Java Developer with 3-5 years of experience to join their expanding team. You'll be developing software using Core Java without frameworks, enjoy flexible working, and receive a salary up to £90k plus bonuses. Ideal candidates have an interest in the financial ...

    Lead Frontend Developer React / Javascript / Agile £90,000 + Bonus

    Job Description Our customer is currently looking for a Lead Frontend Developer who is ready to take entire ownership and bring technical leadership to the frontend technology stack. Day to day you will work with other frontend engineers in the organisation to make sure the frontends are built wi ...

    C# .Net Developer £400 per day LONDON Contract

    C#.NETDeveloper Contract: £350 - 400 per day(InsideIR35) Location: London(Hybrid) You’ll bejoininga globalfinancialservicesfirm tosupportanddevelop business-critical.NETapplications usedacrossmultipleinternationaloffices. Yourmission—build,main ...

    Backend Java Developer Hybrid, Security Cleared, Share Plan

    Onyx-Conseil is seeking a Java Developer – Backend to join their team in Greater London. In this role, you will design and develop scalable back-end systems for major UK Government programmes, directly impacting citizens' lives. Candidates must hold UK Security Clearance or be eligible to obtain it. The position ...

    Full Stack React & Java Developer Rates & Credit Trading

    Overview We are seeking a Full Stack Developer to join the Credit & Rates Trading team at a leading investment bank. This role will be central to the re-engineering of several legacy trading applications, contributing to the design and delivery of modern, real-time trading systems. Key Req ...

    Cloud Native Quant Developer for Risk Platform & SaaS

    A leading supplier of financial technology is seeking quantitative developers to enhance its engineering team in London. The role involves developing new features and improving existing capabilities of the quantitative library and risk platform while supporting a transition to a cloud-native SaaS model. This org ...

    Quant Developer Fixed Income & Real Time Pricing (C++)

    A financial services firm in Greater London is seeking a skilled developer to enhance its bond pricing library and implement quantitative models for fixed income instruments. The role requires strong C++ development capabilities and a solid understanding of pricing concepts. Candidates must ensure rigorous testi ...

    C++ Quant Developer – Build Scalable Crypto Trading Systems

    A leading crypto trading firm in Greater London is looking for a C++ Quant Developer to enhance their trading platform and data infrastructure. This role demands at least two years of C++ experience and strong analytical skills. The firm offers significant independence in problem-solving and a collaborative cult ...

    Developer Experience Designer for Cutting Edge Dev Platforms

    A leading data-driven software company in London seeks a Product Designer to enhance user experiences through collaborative design processes. The ideal candidate will have experience in interaction and visual design, user research, and familiarity with software development practices. This role values teamwork an ...

    SAP ABAP Developer: Shape AI Driven SAP Solutions

    A leading technology firm in the United Kingdom is searching for an SAP Developer eager to innovate beyond traditional roles. This position offers the chance to influence technical direction, collaborate on backend services, and engage with AI-driven features. Ideal candidates should have a strong background in ...

    Software Developer (C++) – Up to £200,000 + Bonus + Package

    Role: Software Developer (C++) – Up to £200,000 + Bonus + Package Salary: Up to £200,000 + Bonus + Package Location: London (Hybrid Working) Skills: C++ as a main language Responsibilities Work on highest‑performing technology ...

    VP Java FX Strat Quant Developer Investment Bank

    Exclusive Search - Leading Global Investment Bank Are you a high-performance Java engineer with FX experience? My client, a top-tier global financial institution, is expanding its E-Trading FX Options Strategy team and is seeking a Vice President - Java FX Strategist to help drive one of the bank ...

    Lead Software Developer in Test for Core Transformation

    SGI is seeking a leader for a new testing team in Greater London. In this role, you will lead testing initiatives on key transformation projects, ensuring high quality through automated tests and CI/CD processes. We're looking for candidates with strong coding skills in JavaScript/Typescript and experience in le ...

    Remote Power BI & Power Apps Developer — Data Architect

    Methods Business and Digital Technology is looking for a Power BI / Power Apps Developer to join their Public Sector Business Unit. This permanent role, mainly remote with travel requirements, focuses on designing, building, and maintaining impactful business solutions. Candidates should have deep expertise in P ...

    Buyer/Product Developer Premium Fashion Brand London sw19

    A fantastic opportunity with a premium travel fashion brand for a 12 month FTC. As a Buyer/Product Developer, you will independently manage a product range. Lead the end-to-end product development process and collaborate closely with the Head of Product to develop a commercial, trend-driven product ...

    Quant Developer Ultra Low Latency C++ for Crypto

    Hawksman Technology is seeking a Quant Developer (C++ / Exchange Infrastructure) to enhance ultra-low-latency trading systems for a leading crypto-native quantitative trading firm in London. The ideal candidate will have a strong proficiency in modern C++ and experience with low-latency systems. You will work cl ...

    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 ...

    Productivity and Tooling Java Developer Assistant Vice President

    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 global markets, we ...

    C++ Developer Options Market Making (New HFT firm)

    We are working with a newly launching Quantitative trading firm who are seeking a talented C++ Developer to join their development team, you'll be helping build and evolve their low-latency options market-making platform across options, equities, and futures. The team is open for someone to be based either ...

    [SharePoint Office365 Developer] for major Japanese banking group

    Position: SharePoint Office 365 Developer Location : London Contract : 6 Months Initially Pay : £416 Umbrella/day Company Overview Leading provider of IT services to one of the major Japanese banking group in the EMEA region, supporting ...

    Lead Developer, XVA Tech – AI Driven Automation (Hybrid)

    A leading global financial services firm is seeking a Lead Developer – VP – XVA Technology to drive application systems analysis and programming initiatives. This role emphasizes quality automation and enhancing product delivery within a technology-driven environment. The ideal candidate possesses a strong backg ...

    Remote Power BI & Power Apps Developer — Data Architect

    Methods Business and Digital Technology Ltd is seeking a skilled Power BI / Power Apps Developer to join their team within the Public Sector Business Unit. This permanent role is mainly remote but requires flexibility to travel to client sites. Candidates should have advanced knowledge of Power BI, experience wi ...

    Android / App Developer / Dev for The Climate App!

    Overview 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 of humankind! We're making an enviro ...

    UI/UX Developer: Data Viz & Design Systems (Hybrid)

    Lorien is seeking a UI/UX Developer for a hybrid role based in London or Edinburgh. The ideal candidate will have over 4 years of experience in UI/UX design and frontend development, notable skills in CSS and Figma, as well as expertise in data visualization. Responsibilities include developing responsive design ...

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      Senior Python Developer Pythonawsreact Jobs in London Job Search Guide, Trends and Insights