Senior .NET Lead Engineer – Trading Systems (4-day Week)

ARC IT Recruitment partners with a renowned trading and investment firm in London to recruit a Senior Software Engineer (C#/.NET). The role leads a small team, shapes architecture, and maintains hands-on technical involvement in complex distributed systems integral to trading and compliance.

The ideal candidate has 8+ years in C#/.NET, proven leadership, and strong communication with both quant and business stakeholders. The position is based in London with four days in the new West End office.