C# Software Engineer- London

In this role you will develop and support pricing and risk management applications for a global market‑making desk. You’ll collaborate with desk traders, business analysts, architects, developers and testers in an agile setting to deliver high‑performance, real‑time systems. You will build and maintain full‑stack software across Windows and Linux, contributing to low‑latency pricing capabilities and scalable data workflows. This is a remote‑first role with opportunities to work on mission‑critical valuation services.

• remote first
• competitive salary

• Develop and support pricing and risk management applications used by the desk
• Collaborate with cross‑functional teams (BA, Architects, Developers, Testers) in an agile SDLC
• Build and maintain full‑stack software for Windows and Linux in a low latency environment
• Integrate real‑time data feeds and messaging systems (e.g., TREP, AMQ, ZeroMQ, GRPC)
• Work with various encodings (protobuf) and front‑end clients (WPF/Web) for high‑performance displays

• Strong backend C# skills
• Experience with Windows and Linux operating systems
• Familiarity with message queues, ideally RabbitMQ
• Knowledge of real‑time data feeds and low‑latency systems is a plus
• C++ or Java background in a mixed tech stack is common in the team

• Collaborative mindset
• Ability to work in an agile environment
• Cross‑functional communication
• Backend C#
• RabbitMQ (ideally)
• Windows and Linux