Senior C# Engineer | OMS Team | Elite Hedge Fund | London-Hybrid

6 month rolling FTC (Fixed Term Contract)

A leading hedge fund is looking for a Senior C# Engineer to join their Order Management Systems (OMS) engineering team in London.

This is a high impact, hands on individual contributor role - building and enhancing trading systems used by traders, PMs and quants across the business.

What you'll be doing:

• Designing and developing high performance, scalable solutions within a mission critical OMS
• Collaborating closely with traders, PMs and quant teams to deliver bespoke functionality
• Driving forward system enhancements and helping modernise legacy components
• Owning features end-to-end in a fast-paced, delivery-focused environment

What we’re looking for:

• Deep expertise in C# .NET, including multithreading and low-latency systems
• Proven experience working with Order Management Systems
• Ideally a mix of OMS vendor and in-house bespoke system experience
• Solid understanding of trading workflows across asset classes
• Strong communication and stakeholder engagement skills are crucial

Location: London – hybrid working model (3–4 days in office per week)