The OpportunityWe''re looking for a talented Senior Backend Developer to join a purpose-driven tech team that creates solutions making a real difference in people''s lives. This is more than just a job-it''s a chance to shape systems that support individuals and organisations across the UK and Ireland. The RoleAs a Senior Backend Developer, you''ll be a founding member of a newly formed cross-functional engineering team. You''ll play a key role in setting the tone for the team''s culture, practices, and success. Your technical expertise will shape our architecture and support business-critical applications.This is a highly collaborative role suited to someone with a passion for software craftsmanship and continuous improvement Key ResponsibilitiesEnhance features and functionality of core productsDesign and implement scalable backend systems using C# (.NET 6+ preferred)Write clean, maintainable, and testable code using TDD/BDD principlesCreate and maintain RESTful and GraphQL APIsCollaborate with POs, BAs, and stakeholders to define solutionsMentor junior developers and promote best practicesDrive improvements in development processes and toolsInvestigate and resolve production issuesEnsure observability through logging, metrics, and diagnostics What You Bring5+ years of backend development experienceExpertise in C#, .NET (preferably .NET 6+), and SQL ServerDeep understanding of SOLID and OOP principlesSkilled in Git, Unit Testing (NUnit), and API developmentFamiliarity with ..... full job details .....