> Markdown version of [/jobs/ext/2108021-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/2108021-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** Platform Recruitment - **Location:** Cambridge, UK - **Salary:** £70,000.0 - £80,000.0 - **Contract:** Permanent contract - **Skills:** .NET Framework, C Sharp (Programming Language), Code Review, Continuous Integration, Web Development, Distributed Systems, Integrated Development Environments, Windows Presentation Foundation, Model View Controller (MVC), Model View ViewModel, Scrum Methodology, Trusted Systems, Real Time Systems, Software Troubleshooting, Low Latency, Front End Software Development, Software Coding, Microservices - **Published:** August 19, 2026 - **Apply:** https://www.cv-library.co.uk/job/225474813/principal-software-engineer ## About the Role + Strong commercial experience with C# and .NET, + Proven experience designing and developing scalable, distributed systems and microservices. + Strong Web Application development experience. + Experience with front-end technologies/UI such as WPF, MVVM, MVP or MVC ## Description + Lead the architecture, design and development of high-performance, resilient and secure systems using C#/.NET. + Develop scalable, low-latency applications handling high-volume data and real-time processing. + Shape the technical vision and long-term platform strategy. + Drive coding standards, code reviews and CI/CD best practices. + Troubleshoot complex technical issues and optimise system performance and reliability. + Mentor and support mid and senior-level developers. + Work within an Agile/Scrum development environment alongside wider software and engineering teams. ## Related Videos - [Swapping Low Latency Data Storage Under High Load](https://www.wearedevelopers.com/videos/746-swapping-low-latency-data-storage-under-high-load) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [Microservices: how to get started with Spring Boot and Kubernetes](https://www.wearedevelopers.com/videos/242-microservices-how-to-get-started-with-spring-boot-and-kubernetes) - [Architectures that we can use with .NET](https://www.wearedevelopers.com/videos/935-architectures-that-we-can-use-with-net) - [Unleash the power of 5G in your code: transform your apps](https://www.wearedevelopers.com/videos/1567-unleash-the-power-of-5g-in-your-code-transform-your-apps) - [Empowering Thousands of Developers: Our Journey to an Internal Developer Platform](https://www.wearedevelopers.com/videos/1519-empowering-thousands-of-developers-our-journey-to-an-internal-developer-platform) ## Related Articles - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk)