Senior C# .NET Core Backend Engineer | Hybrid (Remote)

Client Server; Bracknell; Hybrid; GBP 77,000 - 94,000; Full time

Benefits offered by this job

Salary to £85k + bonus

28 days holiday including birthday off

Pension

Life Assurance

Income Protection

Critical Illness Cover

Job summary

Client Server is seeking a hands-on C#/.Net Backend Software Engineer in Bracknell with flexibility for WFH. You will own backend services, design scalable APIs, and contribute to architecture of a major payments platform rebuild.

You’ll work in a small autonomous team, delivering features from design to production, mentoring peers and applying cloud and AI tooling. The role supports hybrid work, with office presence required twice weekly in Bracknell.

Qualifications

• Strong C# .Net Core backend development experience.
• Experience building production-grade APIs.
• Good SQL skills and data modeling.

Responsibilities

• Design and deliver robust APIs and backend services in C# .Net Core.
• Lead features from design through production within a microservices architecture.
• Mentor engineers and contribute to technical best practices.

Skills

C# .Net Core

Backend API development

SQL databases

System design & architecture

Microservices & event-driven

AWS cloud

Mentoring engineers

AI coding tools (Claude, Copilot)

Tools

Claude

GitHub Copilot

Job description

Client Server is seeking a hands-on C#/.Net Backend Software Engineer in Bracknell with flexibility for WFH. You will own backend services, design scalable APIs, and contribute to architecture of a major payments platform rebuild.

You’ll work in a small autonomous team, delivering features from design to production, mentoring peers and applying cloud and AI tooling. The role supports hybrid work, with office presence required twice weekly in Bracknell.