Backend Software Engineer C#.Net - Trading

Client Server; London; Hybrid; GBP 70,000 - 80,000; Full time

Job summary

A leading company is seeking a Backend Software Engineer with strong C# .Net skills to join their London team. In this hands-on role, you'll work on complex trading systems, focusing on backend development while leveraging cloud technologies. Enjoy a competitive salary package, great work-life balance, and opportunities for growth in a unique workplace environment.

Benefits

Up to £80k salary

Bonus

Pension

25 days holiday

Qualifications

• Strong C# .Net Core backend development experience.
• Knowledge of microservices and Cloud (AWS or Azure) required.
• Understanding of CQRS and event-driven architectures.

Responsibilities

• Design and develop high-quality, maintainable code for real-time, low-latency trading systems.
• Work on building a KYC system from scratch.

Skills

C# .Net Core

Microservices

Cloud (AWS or Azure)

CQRS

Analytical Skills

Problem Solving

Collaboration

Communication

Tools

Docker

Kubernetes

EKS

Job description

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Backend Software Engineer C#.Net - Trading, London

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Client:

Client Server

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

beedda9b39e0

Job Views:

5

Posted:

29.06.2025

Expiry Date:

13.08.2025

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Job Description:

Backend Software Engineer / Developer (C# .Net Core Cloud CQRS) London / WFH to £80k

Are you a technologist with strong backend C# .Net skills?

You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage working on complex and interesting Greenfield systems with continual learning and self development opportunities.

As a Backend Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to build a KYC system from scratch.

Location / WFH:

You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday.

About you:

• You have strong C# .Net Core backend development experience
• You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker / Kubernetes, EKS
• You have a good understanding of CQRS and event driven architectures
• You have strong analytical and problem solving skills
• You're collaborative with excellent communication skills

What's in it for you:

As a Backend Software Engineer / Developer you will earn a competitive package:

• Up to £80k salary
• Bonus
• Pension
• 25 days holiday

Apply now to find out more about this Backend Software Engineer / Developer (C# .Net Core React) 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.