A leading grocery retailer is seeking a Senior .NET Engineer to join their payments service team in Welwyn Garden City. This role involves developing high-impact, business-critical systems while mentoring the team. Responsibilities include implementing scalable solutions and facilitating group discussions on system design. The ideal candidate should have strong experience with .NET/C#, SQL, and cloud platforms, with e-commerce experience as a plus. Benefits include an annual bonus scheme and generous leave policies. #J-18808-Ljbffr