Senior C#Developer/Software Engineer (C# .Net) London onsite to £150k Join a global hedge fund specialising in sports trading as a Senior C#Developer, working on high-performance, real-time trading systems. You'll own greenfield projects, partner directly with quants and strategy teams and build low-latency backend components and … APIs with C#/.Net, plus occasional frontend work in React. What you'll do: Design and develop real-time trading and pricing systems Lead greenfield feature builds with significant business impact Build backend services, APIs and trading engine components in C# Collaborate closely with strategy, quant and engineering teams Tech: C# .Net, ASP.Net, SQL/Oracle … JavaScript, React Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Huxley Associates
C#Developer - C#/Sql server/Fixed income The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with mid level 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: Software Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, C#, SQL Server Permanent role, salary £60-75,000 Location: London City and home working hybrid Focus: Front office Fixed Income Requirements: Good experience with C#/Sql server/Fixed income The role requires design and development of More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Lorien
C#DEVELOPER Commodities Trading firm is looking to grow their business and are hiring a Senior .NET Developer due to significant growth across their Front Office team. This is an extremely rare opportunity to break into the world of high-finance, trading and few and far between. £140-175k package This is an experienced … role within the team and the C#Developer will be expected to understand complex technical solutions and deliver in an Agile/SCRUM/Kanban environment. Requirements: C# - ESSENTIAL FRONT-END - VUE or similar - preferred AZURE - preferred TRADING - preferred The role is hybrid working, 2 days in lovely central London offices. Free cooked or contintal breakfast More ❯
Senior C#Developer/Software Engineer (C# .Net) London onsite to £150k Join a global hedge fund specialising in sports trading as a Senior C#Developer, working on high-performance, real-time trading systems. You'll own greenfield projects, partner directly with quants and strategy teams and build low-latency backend components and … APIs with C#/click apply for full job details More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Lorien
C#Developer - Energy Trading (Renewables Expansion) Location: Central London (Hybrid) Package: £140,000 - £175,000 Department: Trading Technology/Front & Middle Office Platforms We're an energy trading business building the next generation of pricing, risk, and scheduling platforms as we expand into power and environmental products (PPAs, Guarantees of Origin, carbon certificates) alongside our core gas … a tight-knit engineering team that ships high-impact software used by traders, schedulers, and risk analysts every day. If you enjoy solving real-time systems challenges, writing clean C# in cloud-first architectures, and partnering with the desk, this role is for you. Design & build resilient C#/.NET services and APIs powering pricing, market data ingestion … metrics/tracing), CI/CD, and secure-by-design patterns. Own features end-to-end-from design and documentation to deployment and support. What you'll bring Strong C#/.NET engineering skills (async/await, generics, LINQ, dependency injection, clean architecture). Experience building microservices and REST/gRPC APIs; solid understanding of messaging (Kafka/RabbitMQ More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Client Server
Back End Developer/Software Engineer (C# .Net Core Cloud CQRS) London/WFH to £100k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Back End Developer role at a successful and scaling Retail FX Brokerage working on complex … a Back End Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Noir
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 9, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage, and … customers by delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should be created, and … roles would be suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, Linux, C# or Java; which might have been acquired as part of your degree course or through a placement year in industry. At the center of our client's culture is More ❯