fullstack c developer jobs in London

1,000 fullstack c developer job listings in United Kingdom. Find daily updated positions from leading job boards.


  • London, England, United Kingdom eFinancialCareers Full-time

    Role:Development and maintenance of the in-house C++ pricing librariesAdvancing the quantitative toolbox by developing new technologies, algorithms and numerical techniques .Development and maintenance of multi-threaded servers for delivering data to users .Design, develop, test, and deploy elegant software solutions for automated trading systems.Design and...


  • London, England, United Kingdom Acturis Canada Inc. Full-time

    Acturis in the United Kingdom is seeking recent graduates to join our fast-growing team. You'll develop and enhance Acturis' web platform using C#, ASP.NET, ASP.NET MVC and modern JavaScript frameworks to build rich front-end experiences.We offer mentorship from day one, a clear progression path, formal performance reviews, and opportunities to lead projects...


  • London, England, United Kingdom reMarkable Full-time

    A digital transformation leader in London is seeking a Junior Developer (C#) to support technical development and integration projects. The ideal candidate will have a strong understanding of C# and .NET principles, be eager to learn about Sitecore ContentHub, and work collaboratively in a fast-paced environment. This full-time role offers opportunities for...


  • London, England, United Kingdom Nexus Jobs Limited Full-time

    C# .NET Software Developer with FX and Fixed IncomeOur Client is a niche boutique broker specialising in FX.They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET.The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income,...


  • London, England, United Kingdom Citadel Securities Full-time

    Citadel Securities is seeking Research Engineers to design, build, and optimize our electronic trading platform in London. You will work with researchers, simulation, and live traders to develop core-trading infrastructure and high-throughput systems, taking ownership from inception to deployment.You will apply low-level optimization, algorithmic trading...


  • London, England, United Kingdom Matchtech Group Full-time

    Matchtech Group is seeking an experienced Microsoft Office Add-In Developer to design, build and maintain bespoke Office add-ins for a London‑based law firm. You will work primarily remotely with occasional London visits to meet stakeholders and workshops, leveraging .NET/C#, VSTO and Azure DevOps pipelines.The role requires strong experience in Office...


  • London, England, United Kingdom Citi Full-time

    Citi is seeking a Quantitative Analyst in London to build pricing and risk models for the trading business. You will develop analytics libraries and apply advanced mathematical methods using C++, C#, Python, and SQL in a collaborative, governance-driven environment.The role interfaces with Traders, Structurers and technology peers, and requires strong...


  • London, England, United Kingdom MARGO Full-time

    C++ Developer – High Frequency Trading (HFT Systems) Join MARGO in the UK (London) – High Performance Trading Environments MARGO is a tech-native consultancy delivering elite software engineering expertise to the most demanding financial markets environments. We operate in latency-critical trading contexts where performance, determinism and...


  • London, England, United Kingdom Oliver Bernard Full-time

    Oliver Bernard and a leading global hedge fund are seeking an experienced C++ Developer in Central London. You will design and build internal tooling, frameworks and developer platforms that power the wider business, with a storage focus on internal databases and data platforms at scale.The role requires 6+ years in software development and 3+ years in C++,...


  • London, England, United Kingdom Nexus Full-time

    Job Description Senior Backend Developer with C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a...


  • London, England, United Kingdom Nexus Full-time

    Job Description Software Developer with C# Dot Net asp.net with SQL Server SSIS SSRS Our Client is a bank based in Central London who are looking to recruit at least 7 years plus experience as a Data Engineer with the ability to work with C# Dot net and SQL Server with SSIS. You must have solid expertise of at least 7 years’ experience of working with and...


  • London, England, United Kingdom Project Freelance Full-time

    Onyx-Conseil in West London is seeking a Software Developer with full stack C# and SQL Server experience. You will join an international media company’s software team and contribute to both front-end and back-end development, focusing on scalable, user-friendly webstores and personalization features.The role involves creating rich UIs, implementing a...


  • London, England, United Kingdom GCS Recruitment Full-time

    GCS Recruitment is seeking an experienced Senior C# Developer for a Tier 1 Investment Bank in Canary Wharf. You will contribute to modernising core desktop applications, moving to web-based and cloud-enabled platforms, and shaping future-state architecture within a large enterprise.You'll work across the full SDLC, enhancing WPF/WinForms apps, building APIs,...


  • London, England, United Kingdom Centre People Appointments Full-time

    A leading Japanese IT company with a central London office is seeking a C#.NET Developer for its Financial Systems Team.They welcome candidates with knowledge of banking, securities, or insurance operations, and experience developing with C#.NET. Ideal candidates have led enhancements, maintenance, or improvements of existing systems. This position is...


  • London, England, United Kingdom Nexus Full-time

    Job Description Backend Developer (Umbraco) - Senior-level Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a...


  • London, England, United Kingdom Project Freelance Full-time

    Software Developer with Full Stack C# and SQL Server Our Client is an international company in the media industry. They are looking to recruit an additional Software Engineer/Developer with full stack software development experience. Must have at least 2 to 4 years of hands-on software development covering both front and backend development. We're looking...


  • London, England, United Kingdom Nexus Salary Full-time

    Job Description Senior Lead C# Software Developer We urgently require a Senior C# Lead Developer with at least 5 to 10 years solid expertise in developing financial systems ideally banking systems. Your experience should include extensive knowledge of developing complex financial systems in C# as Teal Leader. Any experience of SQL Server or backend database...


  • London, England, United Kingdom Third Republic Full-time

    Join a fast-growing tech startup that is innovating the insurance industry through their unique and innovative technology. They are currently looking to hire an experienced and highly-driven Fullstack Engineer to join their dynamic mobile and web team to help them drive enhancements and product improvements. What You'll Be Doing: • Working closely with the...


  • London, United Kingdom SoCode Limited Full-time

    Senior Fullstack Engineer | React, TypeScript, C#, Python | Fully Remote (UK) | Up to £85,000 SC eligibility preferred, not essential No sponsorship available What you'll be building My client is building a data platform that turns live global events into risk intelligence. You'll join a small engineering team and help shape the platform's next phase. In...


  • london, United Kingdom Quant Capital Full-time

    C#.NET Developer FintechQuant Capital is urgently looking for a C# .NET Developerto join our high profile client.My client is a rapidly growing specialist fintech software house providing advanced solutions to the finance market. Their clients include many of the world’s leading banks and financial organisations such as Citi, JP Morgan and HSBC. They...