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C# Software Engineer - Learn Rust

Client ServerLondon🇬🇧United KingdomPosted 18 Jun 2026

Why This Role Stands Out

This role offers significant career growth as you'll gain expertise in Rust while developing sophisticated low-latency trading applications within a highly successful firm. You'll thrive here if you are a collaborative C# backend engineer with a passion for complex systems and financial markets, enjoying hybrid flexibility and competitive compensation with substantial bonuses. Apply now to explore this exciting opportunity!

Quick Overview

Salary
£80k/yr
Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior

Job Description

C# Software Engineer / Developer (.Net Rust Low Latency HFT) London / WFH to £80k+

Opportunity to join a hugely profitable High Frequency Trading firm that specialise in crypto markets and earning substantial bonuses in a hands-on role, working with C# and Rust.

As a C# Software Engineer you will design and develop low latency trading applications working across the full stack with a focus on backend development.

You'll collaborate with a small, talented team, problem solving and working on complex and challenging systems with interesting work and lots of ownership within a non-hierarchical environment.

Location / WFH:

You'll join the team in Central London with flexibility to work from home 1-2 days a week.

About you:

  • You have strong backend OOP, multithreaded software engineering experience with C# .Net and are comfortable working with Rust going forward
  • You have a keen interest in financial markets / blockchain technology
  • You achieved a 2.1 or above in Computer Science from a top tier university
  • You are collaborative and pragmatic with great communication and stakeholder management skills

What's in it for you:

As a C# Software Engineer / Developer you will receive a competitive package:

  • Salary to £80k
  • Significant bonus
  • Pension
  • Hybrid working
  • Excellent career progression

Apply now to find out more about this C# Software Engineer / Developer (.Net Rust Low Latency HFT) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Skills

Rust
Blockchain
C#
.NET
Stakeholder Management

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