About this role
Salary: £80,000 - 80,000 per year
Requirements: Strong experience developing backend systems with C# and .NETDeep knowledge of cloud environments, with Azure preferredExperience designing APIs and microservices at scaleSolid understanding of automation testing tools, with Playwright desirableLeadership experience, including mentoring, coaching, and guiding engineering teamsStrong problem-solving skills with an eye for performance optimisationEnthusiasm for delivering quality solutions in a SaaS environment Responsibilities: Architect and build scalable backend services in C# / .NETDrive adoption of clean coding practices, design patterns, and SOLID principlesMentor engineers and foster a culture of growth, learning, and high performanceCollaborate with product owners to refine requirements and translate them into technical solutionsIntegrate automation testing and CI/CD pipelines to ensure code qualityLead technical discussions and set direction on tools, frameworks, and approachesTroubleshoot and resolve complex technical challenges across backend servicesOptimise system performance and ensure resilience across platformsReview code and guide engineering standards across the teamContribute to product strategy by aligning technical roadmaps with business goals Technologies: ArchitectAzureBackendC#CI/CDCloudPlaywrightmicroservicesASP.NET More:
We are a rapidly scaling SaaS organisation building innovative products that make a real difference to our customers. This is a career-defining Principal Backend Developer role for someone who wants to take ownership of backend systems, shape best practice, and mentor the next generation of engineers. You will work closely with product owners, testers, and front-end teams in a collaborative environment, using a stack centred on C#, .NET, cloud services, and automation frameworks. The Portfolio Group are acting on behalf of our client in recruiting for this position.
last updated 30 week of 2026