Senior Software Engineer (.NET) Back end Location: Belfast / Hybrid Eligibility: UK work authorisation required We are working with a global financial services technology organisation that builds business-critical platforms used across international markets. They're looking for a Senior Software Engineer to join a highly capable engineering team delivering scalable, cloud-native systems. This is a hands-on role with real technical ownership, strong collaboration, and the chance to influence architecture and engineering standards while working on complex, high-impact systems. Why consider this role? Work on technology used across global financial markets * Strong focus on quality, automation, and modern engineering practices * Opportunity to influence technical direction and mentor others * Hybrid working and long-term career development What you'll be doing: Designing and building distributed, cloud-native services * Developing modern APIs and backend systems in C#/.NET * Working closely with architects and senior engineers * Taking ownership of delivery from design through to release * Improving testing, scalability, and reliability What they're looking for: Strong experience with .NET (Framework / Core) and C# * Background building distributed or event-driven systems * API development experience (REST / GraphQL) * Solid database experience (SQL Server, MySQL) * Cloud experience (AWS and/or Azure) * A pragmatic, delivery-focused engineering mindset Interested? If you're an experienced engineer looking to work on complex systems with real scale and ownership, drop me a message for a confidential conversation. Skills: Back end .Net C# SQL AWS Azure