Haystack
← Back to Jobs
Full time
Technology
PR

Principal Software Engineer

Platform Recruitment LimitedCambridge, Cambridgeshire🇬🇧United KingdomPosted 8 Aug 2026

Why This Role Stands Out

As a Principal Software Engineer, you'll shape the technical direction of mission-critical distributed systems, leveraging your deep C#/.NET expertise to build high-performance, low-latency applications. This hybrid role offers a competitive hourly rate of £60-£80 and is perfect for experienced engineers who thrive on technical leadership and mentoring. Apply now to make a significant impact within an innovative technology company.

Quick Overview

Salary
£60 - £80/hr
Seniority
Leader
Employment type
Full Time
Work mode
Hybrid
Location
Cambridge, Cambridgeshire, United Kingdom
Posted
5 weeks ago
DockerMicroservicesTCP/IPC#.NETKafkaKubernetesRabbitMQgRPC

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
  • Performance tuning, concurrency and multithreading expertise
  • Docker, Kubernetes and CI/CD familiarity
  • Relevant degree




If this sounds like your next challenge, apply with a copy of your CV.


Similar jobs

Browse related jobs

Apply now