C# Dot Net Software Developer

Salary: £58,000 - 98,000 per year

• Minimum 3 to 5 years of experience developing with C# .NET and Microsoft web technologies, including C# and ASP.NET Core MVC
• Relational database experience, specifically SQL Server
• Ability to build relationships proactively with stakeholders, including sales, brokers, middle office, and external vendors
• Ability to produce clean, well-written, fully tested, production-ready software
• Desirable: knowledge of the FIX protocol
• Desirable: knowledge of FX trade processing
• Desirable: basic knowledge of foreign exchange products, including vanilla/exotic options and FX cash; training will be given
• A computer science related degree is preferred
• At least 3 years of experience in a comparable development role

• Re-architect and build our in-house middle office platform and integrate it with a new trading platform
• Develop pricing toolsets
• Integrate external reporting, trade flow, and pricing APIs
• Maintain our daily operations on the existing platforms

• ASP.NET
• Architect
• C#
• CTO
• Flow
• MVC
• SQL
• Web
• Nexus

We are a fast-growing, dynamic brokerage firm specialising in FX, currency options, and interest rate swaps. We are seeking a talented technologist to join our London team in a fast-paced, delivery-focused environment where you can make a genuine impact on the business. Initially reporting to our CTO, you will become a key member of our global team with a large amount of autonomy and the opportunity to showcase your development talents.

The role is based in the City of London, with some remote working possible, and the salary is 80,000 to 100,000.

last updated 36 week of 2026