Principal Software Engineer

Platform Recruitment

Full-time computer-and-mathematical
Apply Now
Location
Waterbeach, Cambridgeshire, United Kingdom
Posted
June 11, 2026

Job Description

Title: Principal Software Engineer
Role: Distributed Systems & Communications
Location: Cambridgeshire
Salary: £60-£80k

Platform Recruitment has partnered with an innovative technology company developing mission-critical systems used by organisations worldwide. They're looking for a Principal Software Engineer to help shape the technical direction of their platform.

Key Responsibilities:

* Lead architecture and implementation of systems in C#/.NET

* Build low-latency applications handling high-volume data traffic

* Drive technical vision and mentor engineers across the team

* Oversee code reviews, coding standards and CI/CD pipelines

Key Requirements:

* 10+ years C# and .NET Core

* Strong distributed systems and microservices background

* Hands-on experience with RabbitMQ, Kafka or similar messaging technologies

* Proficiency with TCP/IP, gRPC and high-availability protocols