Senior C# Developer C# .Net – Sports Trading

Company: Client Server Limited
Apply for the Senior C# Developer C# .Net – Sports Trading
Location: London
Job Description:

Senior C# Developer / Backend Software Engineer (C# .Net) London onsite to £150k

Are you an experienced backend focussed C# Developer?

You could be progressing your career in a senior, hands-on role at a global Sports Trading business.

As a Senior C# Developer within the trading engine team, you’ll collaborate to design and develop real-time trading systems, you’ll often be collaborating with the strategy team on Greenfield projects which you’ll take ownership of and will see the business impact of. There’s a focus on backend and API development although you’ll also have elements of front end work with JavaScript and React.js.

Location

You will be based in plush City office on a fulltime basis, Monday to Friday.

About You

  • You have expertise with C# .Net, ASP.Net development
  • You have a strong knowledge of databases (SQL or Oracle)
  • You’re comfortable with JavaScript / React
  • You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms
  • You are collaborative with excellent communication and stakeholder management skills
  • You are degree educated in Computer Science or similar technical discipline

What’s In It For You

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

  • Salary to £150k
  • Bonus
  • Professional development
  • Pension
  • Health Insurance
  • Gym membership
  • Social events, free fruit, snacks, coffee etc.

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Posted: October 11th, 2026