C# Backend Developer – Hedge Fund

Overview

In this role you will develop and modernise trading-focused software for a high-profile hedge fund. You will join a collaborative development team to port systems to C# and refresh in-house tools, expanding capabilities while maintaining performance. You’ll influence design decisions and contribute to architecture in a fast-paced finance domain. This is a high-responsibility position with a strong technical and business impact, backed by a generous bonus and London-based work.

Pay / Benefits

• annual bonus
• London-based role
• high-profile client exposure
• competitive salary up to £95,000 + bonus

Responsibilities

• Port existing systems to C# and modernise related applications
• Develop new tooling and enhancements for the trading environment
• Support and improve the current tech stack and in-house platforms
• Collaborate on design and architecture decisions within an Agile finance context
• Modernise legacy VB6 systems as part of platform upgrade
• Work on tools to improve performance, reliability, and maintainability
• Engage with cross-functional stakeholders to assess requirements
• Ensure code quality with testing and continuous integration practices

Key requirements

• Proficiency in C#, WPF, Prism
• Experience with VB6
• SQL Server (SSRS)
• Entity Framework, SignalR, Swagger, Moq, MS Test
• VB6, SQL Server, SSRS
• TFS/GIT version control
• Computer Science background

• collaborative mindset
• ownership and accountability
• strong communication
• C#
• WPF
• Prism