Senior C# Backend Engineer – Real-Time Trading Systems

Client Server Limited; Greater London; On-site; GBP 105,000 - 150,000; Full time

Benefits offered by this job

Bonus

Professional development

Pension

Health Insurance

Gym membership

Social events

Job summary

Client Server Limited seeks an experienced Senior C# Developer / Backend Software Engineer to join their London-based trading engine team. You’ll design and build real-time trading systems, own Greenfield projects and collaborate with the strategy team. Expect strong C# .NET, ASP.NET, SQL/Oracle and frontend touches with JavaScript/React.

The role is based in their City office on a full-time, onsite basis with a competitive package, bonus and benefits including pension, health insurance and more.

Qualifications

• Proficient in C#/.NET and ASP.NET backend development.
• Strong knowledge of databases (SQL/Oracle).
• Experience with JavaScript/React for frontend touches.
• Solid CS fundamentals: OOP, design patterns, data structures and algorithms.

Responsibilities

• Design and develop real-time trading systems.
• Own Greenfield projects and deliver business impact.
• Backend and API development with occasional frontend work in JS/React.
• Collaborate with strategy team and stakeholders.

Skills

C# .Net

ASP.NET

JavaScript/React

Databases (SQL/Oracle)

OOP & Design Patterns

Communication & Stakeholder management

Education

Computer Science degree

Job description

Client Server Limited seeks an experienced Senior C# Developer / Backend Software Engineer to join their London-based trading engine team. You’ll design and build real-time trading systems, own Greenfield projects and collaborate with the strategy team. Expect strong C# .NET, ASP.NET, SQL/Oracle and frontend touches with JavaScript/React.

The role is based in their City office on a full-time, onsite basis with a competitive package, bonus and benefits including pension, health insurance and more.