Salary: £65,000 - 75,000 per year Requirements: At least 10 years of Backend Development experience Expertise in C# (.NET 6 preferred) and SQL Server Extensive experience in Test Driven Development (NUnit preferred) Advanced version control experience using Git Proficient in creating and maintaining RESTful and GraphQL APIs Familiar with ORMs (Entity Framework preferred) Strong understanding of SOLID and OOP principles Experience with Continuous Deployment and Integration Knowledge of observability practices (logging, App Insights, metrics, and auditing) Expertise in DevOps (CI/CD) and Cloud Services (Azure preferred) Familiarity with several Design Patterns and good security practices Excellent communication and stakeholder management skills Strong troubleshooting, analysis, and problem-solving abilities Passionate about providing the best possible service Team player with a visionary and strategic mindset Responsibilities: Join a cross-functional engineering team committed to growth Participate as a founding member of the department, helping to foster and grow a positive culture Collaborate in a truly agile environment, prioritizing people-centered methodologies Drive innovation and set the technical direction for our SaaS products Ensure quality in our services and component libraries Advocate for test-driven development and mentor others in this practice Technologies: Azure Backend C# CI/CD Cloud DevOps Git GraphQL OOP SQL Security TDD ASP.NET More: We are proud to represent an award-winning software provider based in the heart of Manchester, delivering people solutions to over 100,000 clients worldwide. In this unique role, you'll have the opportunity to grow and expand with the business while contributing to a culture of collaboration and excellence. Your role as a Principal Backend Developer will be pivotal in shaping the future of our technical delivery. last updated 4 week of 2026