16 of 16 Senior C# Developer Jobs in London

Senior C# Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking/financial services experience? You could be progressing your career at a … Hedge Fund with over $10 billion under management. As a Senior C# Developer you will work on critical systems across front, middle and back office systems to support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing … reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular. This is a senior, hands-on position More ❯

Tech Lead/Senior Developer (C#/React/Azure) – London/Hybrid £80,000-£85,000 My client is looking for a Tech Lead (or a Senior Developer with line management experience) to join their expanding team and help continue … developers to deliver technical excellence. This role will involve a blend of hands-on coding with line management responsibilities. Responsibilities · Work with the senior management team to not only transform requirements into technical features but also help shape the technical direction of the business · Manage an existing team … and managing its delivery · Improve ways of working and overall outputs of the software Essential Requirements · Demonstrated success in line management · Extensive experience with C# .NET and JavaScript (React/Typescript) · Extensive experience in solutions architecture and technical leadership roles, with knowledge of software development across multiple platforms · Leadership More ❯

Tech Lead/Senior Developer (C#/React/Azure) – London/Hybrid £80,000-£85,000 My client is looking for a Tech Lead (or a Senior Developer with line management experience) to join their expanding team and help continue … developers to deliver technical excellence. This role will involve a blend of hands-on coding with line management responsibilities. Responsibilities · Work with the senior management team to not only transform requirements into technical features but also help shape the technical direction of the business · Manage an existing team … and managing its delivery · Improve ways of working and overall outputs of the software Essential Requirements · Demonstrated success in line management · Extensive experience with C# .NET and JavaScript (React/Typescript) · Extensive experience in solutions architecture and technical leadership roles, with knowledge of software development across multiple platforms · Leadership More ❯

Role Type : Perm Title – Senior C# Engineer Client – Established Financial Institution Salary - Up to £120,000 P/A + Bonus Location – London/Hybrid My client is a well-established and successful tech house working in the finance sector who are looking a talented senior C# Developer, with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will get the chance to work with some of the best technologists out there, one some of the most up to … date tech in the industry, on a greenfields project! Requirements: Strong experience working with C#/.Net Experience working with Cloud Technologies (Azure preferred) Experience working with Typescript - Angular or React Strong SQL experience Finance experience a plus! Strong Communication skills with a drive to be working with the More ❯

Role Type : Perm Title – Senior C# Engineer Client – Established Financial Institution Salary - Up to £120,000 P/A + Bonus Location – London/Hybrid My client is a well-established and successful tech house working in the finance sector who are looking a talented senior C# Developer, with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will get the chance to work with some of the best technologists out there, one some of the most up to … date tech in the industry, on a greenfields project! Requirements: Strong experience working with C#/.Net Experience working with Cloud Technologies (Azure preferred) Experience working with Typescript - Angular or React Strong SQL experience Finance experience a plus! Strong Communication skills with a drive to be working with the More ❯

A Proprietary Trading firm in London is seeking a talented Senior C# Developer to join their trading and execution team. This new role has been created due to the company’s strong performance and internal growth, offering a fantastic opportunity for someone that really enjoys … with the team to improve operational workflows and user experience. Key Requirements: Degree in Computer Science or a related scientific field. Strong experience in C# and the .NET platform. Experience in building or maintaining trading and data analytics platforms. Good database experience, including SQL Server, Oracle, or similar. Knowledge More ❯

A Proprietary Trading firm in London is seeking a talented Senior C# Developer to join their trading and execution team. This new role has been created due to the company’s strong performance and internal growth, offering a fantastic opportunity for someone that really enjoys … with the team to improve operational workflows and user experience. Key Requirements: Degree in Computer Science or a related scientific field. Strong experience in C# and the .NET platform. Experience in building or maintaining trading and data analytics platforms. Good database experience, including SQL Server, Oracle, or similar. Knowledge More ❯

Senior C# & React Full Stack Developer | ⚡ Front Office Trading House | 💷 £140,000 + Bonus | 🏙️ London | 🧑‍💻 3 Days in Office A London-based Hedge Fund is on the lookout for a Senior Full Stack Developer with strong React (Front End) and C# … team building software used both internally by traders and externally as a SaaS product Leverage the latest tech in a modern, agile environment: React.JS , C# , TypeScript , CI/CD , DevOps 💰 Compensation : £140,000 base salary + strong bonus 📍 Location : Central London (Hybrid – 3 days in-office ) 📈 Impact : Direct exposure … to trading strategies , real-time systems , and mission-critical apps. 🔧 Tech Stack & Requirements: ✅ 6+ years of hands-on coding in C# and React 🎯 Experience designing modern event-driven UIs 🧠 SQL Server/MongoDB/PostgreSQL (or similar) 🛠️ Strong grasp of CI/CD pipelines and Agile delivery 🌐 Skilled in More ❯

Senior C# & React Full Stack Developer | ⚡ Front Office Trading House | 💷 £140,000 + Bonus | 🏙️ London | 🧑‍💻 3 Days in Office A London-based Hedge Fund is on the lookout for a Senior Full Stack Developer with strong React (Front End) and C# … team building software used both internally by traders and externally as a SaaS product Leverage the latest tech in a modern, agile environment: React.JS , C# , TypeScript , CI/CD , DevOps 💰 Compensation : £140,000 base salary + strong bonus 📍 Location : Central London (Hybrid – 3 days in-office ) 📈 Impact : Direct exposure … to trading strategies , real-time systems , and mission-critical apps. 🔧 Tech Stack & Requirements: ✅ 6+ years of hands-on coding in C# and React 🎯 Experience designing modern event-driven UIs 🧠 SQL Server/MongoDB/PostgreSQL (or similar) 🛠️ Strong grasp of CI/CD pipelines and Agile delivery 🌐 Skilled in More ❯

My client, a top performing global hedge fund, is looking for a talented C# Developer to join their front-office technology team. This is a unique opportunity to work closely with traders and quants, building low-latency, high-performance systems that directly impact trading outcomes. You’ll … be developing and enhancing critical components across pricing, execution, and risk, using modern C# and .NET technologies in a fast-paced, collaborative environment. The role offers exposure to cutting-edge tech, a flat structure with strong technical mentorship, and the ability to see your work make a tangible impact … on the business. Key Responsibilities will include: Designing and building high-performance trading tools and APIs in C# You’ll be developing robust, scalable applications that power real-time trading and analytics. Expect to work on everything from low-latency market data processing to trade capture systems, all built More ❯

My client, a top performing global hedge fund, is looking for a talented C# Developer to join their front-office technology team. This is a unique opportunity to work closely with traders and quants, building low-latency, high-performance systems that directly impact trading outcomes. You’ll … be developing and enhancing critical components across pricing, execution, and risk, using modern C# and .NET technologies in a fast-paced, collaborative environment. The role offers exposure to cutting-edge tech, a flat structure with strong technical mentorship, and the ability to see your work make a tangible impact … on the business. Key Responsibilities will include: Designing and building high-performance trading tools and APIs in C# You’ll be developing robust, scalable applications that power real-time trading and analytics. Expect to work on everything from low-latency market data processing to trade capture systems, all built More ❯

Senior Client Developer (Unity C#) Join Offroad Games, a fresh, London-based game studio founded by ex-Space Apes Games. We’re running two live games and tackling exciting technical challenges. You’ll be right in the action, working closely with the team on Chrome … at least one launched mobile title. Strong teamworking skills but also can work independently on tasks with minimal guidance. Be a flexible game developer and be ready to give feedback and suggestions on anything we create. Have the drive to make fun and engaging game mechanics with great More ❯

Senior C#.net Developer Front … office The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with extensive expertise in .Net/C# software. The role requires an experienced individual who is comfortable to work in close partnership with a variety of front office stakeholders, globally. Role … is a very strong team who have been building their front office team and have an excellent reputation Role requirements Core Development Languages covering C# .Net, .Net Core, & SQL Server Experience of Front Office trading systems (including low-touch e-trading platforms) is required Experience and understanding of a More ❯

VP) The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with extensive expertise in .Net/C# software. The role requires an experienced individual who is comfortable to work in close partnership with a variety of front office stakeholders, globally. Role … details Title: Senior Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, C#, Java, Python Permanent role, salary £88,000- £110,000 Location: London City and home working hybrid Focus: Front office Fixed Income Role Summary Work closely with the FI Product Owner … strong team who have been building their front office team and have an excellent reputation Role requirements Core Development Languages covering .Net, .Net Core, C#, Java and Python Experience of Front Office trading systems (including low-touch e-trading platforms) is required Experience and understanding of a Fixed Income More ❯

Job Description Senior Backend Developer with C# .net Framework 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 technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying … to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS More ❯

C# .NET Software Developer with FX and Fixed Income Our 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# … pricing APIs. Maintaining the company's daily operation on the existing platforms. Essential skills: - Minimum 3 to 5 years experience of Microsoft web technologies (C#, ASP.NET Core MVC) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders: sales, brokers, middle office, external vendors. Ability to produce More ❯