Principal Backend Developer (.NET) Manchester (Onsite) Up to 75,000We''re looking for a Principal Backend Developer to join our Manchester-based team. This is a senior technical leadership role for an experienced .NET engineer who can drive backend architecture, scalability, and best practices. Tech Stack.NET / .NET CoreC#Web APIsSQL ServerAzure (preferred) The RoleLead backend architecture and technical directionDesign and build scalable, high-performance APIsChampion clean code, testing, and engineering standardsMentor and support developers within the teamCollaborate closely with product and frontend teams What We''re Looking ForStrong commercial experience with .NET / C#Proven experience in a senior or principal-level roleDeep understanding of API design and backend architectureExperience mentoring and influencing technical decisionsStrong communication and leadership skills 50249NBINDMANSPortfolio Payroll Ltd is acting as an Employment Agency in relation to this vacancy.