https://jobs.co.uk/job/principal-software-engineer-platform-recruitment--644fe144-ba7c-42aa-a899-574d5dd480fb RSS feed for Principal Software Engineer at Platform Recruitment. en-gb Wed, 10 Jun 2026 15:18:08 GMT https://jobs.co.uk/job/principal-software-engineer-platform-recruitment--644fe144-ba7c-42aa-a899-574d5dd480fb https://jobs.co.uk/job/principal-software-engineer-platform-recruitment--644fe144-ba7c-42aa-a899-574d5dd480fb Fri, 05 Jun 2026 11:52:19 GMT Location: Waterbeach | Salary: 60000.00-60000.00 Annual | Type: Permanent | Title: Principal Software Engineer Role: Distributed Systems and 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. Permanent