13 of 13 C# Developer Jobs in London

.NET Developer - £350-£375p/d - Outside IR35 - London/Hybrid (.NET Developer, .NET Software Engineer, Software Developer, C#, .NET, SOLID principles, SQL Server, HTML, CSS, Blazor, Angular, Unit Tests, DevOps, CI/CD pipelines, Terraform, Azure, AI tools) Established in the 1990s … client is one the fast growing technologies brands across Europe. They have built an unrivalled reputation for developing revolutionary .NET/C# software solutions. Having recently embarked upon a number of cutting edge Greenfield .NET/C# projects they are looking to recruit contract .NET Developer ...

Senior C# Developer - Liquidity Hybrid Working - London - 2-3 days a week on site. Financial Services Lorien's leading banking client is looking for a Senior C# Developer to support the delivery of strategic applications across Liquidity, XVA and Financial Resource Management . Working … technical solutions while supporting the ongoing migration to a modern event-driven architecture. The Ideal candidate will have expertise with a strong hands-on C#/.NET background , enabling them to engage confidently with software engineers and architects. They will have practical experience working with Agentic AI, LLMs ...

Commodities Trading C# Developer 📍 Location: London 📅 Contract: 6 month initial contract 📑 IR35: Inside IR35 Business Area: Global Markets Department: Commodities IT About the Role We are seeking an experienced Commodities Trading C# Developer to join a London-based core development team within a leading … control and CI/CD pipelines Support production systems and ensure ongoing reliability and maintainability Required Skills & Experience Essential Expert-level development experience in C#/.NET Strong experience with SQL Server Proven experience working with service-based architectures (REST, gRPC, web technologies) Solid understanding of asynchronous programming ...

Join Our Amazing Investment Banking Client as a Senior/Lead C# .Net Developer! Location : Canary Wharf (3 days per week onsite) Contract Duration: Up to 2 years! Umbrella Rate : £400-£600 Umbrella Day Rate Interviews: ASAP, first interview is in person this is essential. Please Note … have spoken to a member of the Pontoon/Adecco team within the last month about our other C# Software Development roles, you do not need to apply again. Are you a passionate and seasoned Senior C# .Net Developer looking for an exciting opportunity ...

Role: Junior C# Quantitative Developer Client: Leading Hedge Fund Compensation: Competitive Base + Performance Bonus Location: London (Hybrid) Overview Join a leading hedge fund where technology and mathematics drive every decision. We’re looking for a talented Junior Quantitative Developer to work alongside experienced quants … intersection of engineering and research, contributing to the development of mission-critical trading and analytical tools. Key responsibilities include: • Developing and maintaining high-performance C# applications used across research, risk management, and live trading. • Collaborating with quants to implement complex pricing models and robust backtesting frameworks. • Enhancing data processing ...

Full Stack Developer (.NET/C#) £53,000 - £58,000 + Company Benefits + WFH 2/3 days a week + 1:30pm Finish on a Friday Greenford, London Are you a Full Stack Developer from a .NET and C# background, with … pivotal role in bringing a new system to market. This role would suit a Full Stack Developer from a .NET and C# background, with knowledge of JavaScript and C++, looking for an autonomous, hybrid role within the renewables sector. The Role: Maintaining and improving a .NET ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been … 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 ...

Title: Senior C# .NET Developer Location: Bromley & London - Hybrid ( 3 days in office is essential) Contract: 12 months with possible extension for one more year. Rate: Highly competitive Status : Inside IR35 Working pattern: Full time Overview We are seeking an experienced C# .NET Developer … contribute to business-critical systems while working in a collaborative and supportive environment. Key Responsibilities Design, develop, enhance, and maintain enterprise applications using C# and .NET technologies. Support and improve existing business-critical systems, ensuring stability, performance, and scalability. Work closely with business users, analysts, and technical teams ...

Senior C#/.NET Developer (Securities Lending & Repo) Role Type: 6-Month Contract Location: London (Hybrid - 3 days onsite per week) IR35 Status: Inside IR35 Role Overview A leading global financial services and asset servicing institution is seeking an experienced Senior C#/.NET Developer … financing-related businesses , with a primary emphasis on Securities Lending and Repo workflows. Required Skills & Experience Core Technical Skills: Strong hands-on expertise in C# and .NET/.NET Core . Deep understanding of Object-Oriented Programming (OOP) and architectural design principles. Proven experience building and implementing REST/ ...

Contract Senior Full Stack Developer .Net/C# Job Type: Contract Location: Remote (1 - 2 times a month in London Bridge) Utilisation: Full Time Duration: 6 Months Overview We are seeking a Senior Full Stack Developer with strong expertise across C#/.NET, React … full development lifecycle while collaborating closely with both technical and non-technical stakeholders. Tech Stack Frontend React JavaScript/TypeScript HTML5, CSS3 Backend C# .NET Core/.NET ASP.NET Core REST APIs Cloud & Data Microsoft Azure SQL Server Docker CI/CD Pipelines Microservices Essential Skills & Experience Strong commercial ...

identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: C# .NET Developer Location: Bromley - Hybrid ( 3 days in office is essential) Contract: 12 months with possible extension for one more year. Rate … inside umbrella. Overview We are seeking an experienced C# .NET Developer to develop, enhance, and support a suite of critical business applications built on modern Microsoft technologies, including .NET 6 and .NET 8. The successful candidate will work within a globally distributed development team, collaborating with both ...

identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: C# .NET Developer Location: Bromley & London - Hybrid ( 3 days in office is essential) Contract: 12 months with possible extension for one more year. … Rate: £700 - £750 inside umbrella. Overview We are seeking an experienced C# .NET Developer to develop, enhance, and support a suite of critical business applications built on modern Microsoft technologies, including .NET 6 and .NET 8. The successful candidate will work within a globally distributed development team ...

Working for a major energy trader (Oil, Power, Gas, Renewables) we are recruiting a Senior C#/React Developer with a background in financial services/trading systems/trading tools. The Role As a member of a skilled global team of software engineers, you will play … developing new trading tool/solutions. The customers are Traders, Analysts, Researchers and Data Scientists. Essential Skills: 3 -5 years of experience working with C# and related .NET technologies Experience with RDBMS and SQL (Oracle, SQL Server, PostgreSQL) 2 - 3 years commercial experience with React Experience working ...