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Senior Software Engineer C# | Hedge Fund | £250k

Senior Software Engineer C# | Hedge Fund | £250k

Hybrid

London, United kingdom

£ 250,000 /year

Senior

Full Time

05-03-2026

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Skills

Communication C# .NET

Job Specifications

Senior C# .NET Engineer | OMS Team | Elite Hedge Fund | £250k

6 month rolling FTC (Fixed Term Contract)

A leading hedge fund is looking for a Senior C# .NET 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 is a bonus
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)

Package: Up to £250k guaranteed total comp per annum

About the Company

We are Orbis Group. We work with brands that are passionate about tech, diversity, community and change. Our vision is to be the premier source for identifying and connecting excellence across financial services, life sciences and technology. We are people specialists. Our mission is to continuously define and identify excellence; refined to exact requirements through the rewarding experience of better partnerships. This is connecting excellence. Email: info@weareorbis.com London: 0203 854 0024 To view live roles and... Know more