Backend C# .NET Engineer — Real-Time Trading (London)

Client Server; Greater London; On-site; GBP 54,000 - 90,000; Full time

Benefits offered by this job

Pension

Health Insurance

Gym membership

Social events

Job summary

Client Server is seeking an experienced Software Engineer to focus on backend C# .NET development and real-time trading systems in our London office. You will own design and implementation of backend services, with collaboration across teams and occasional front-end work using JavaScript/React.

The role emphasizes strong CS fundamentals, stakeholder communication, and delivering robust API-driven components in a fast-paced environment.

Qualifications

• Strong C# .Net and ASP.NET development experience.
• Thorough knowledge of databases: SQL or Oracle.
• Comfortable with JavaScript / React.
• Degree in Computer Science or a related technical discipline.

Responsibilities

• Design and develop real-time trading systems in a backend-focused role.
• Collaborate with the strategy team on Greenfield projects and own delivery.
• Backend and API development with some frontend work using JavaScript/React.

Skills

Backend development

Collaborative

Education

Bachelor's degree in Computer Science or related

Tools

C#

ASP.NET

SQL

Oracle

JavaScript

React

Job description

Client Server is seeking an experienced Software Engineer to focus on backend C# .NET development and real-time trading systems in our London office. You will own design and implementation of backend services, with collaboration across teams and occasional front-end work using JavaScript/React.

The role emphasizes strong CS fundamentals, stakeholder communication, and delivering robust API-driven components in a fast-paced environment.