C# Engineer

We’re partnering with a growing Fintech company in Belfast building innovative products that simplify financial operations for businesses across the UK and Ireland. As an API Engineer, you’ll be designing and developing secure, scalable APIs that power integrations between internal platforms, third parties, and AI-driven systems. You’ll work in a collaborative engineering environment focused on clean architecture, modern .NET development, and continuous delivery. Key Skills: Strong backend experience with C# .NET Solid understanding of RESTful API design and SQL Experience with Azure services and CI/CD pipelines Familiarity with OAuth, JWT, and API security principles Nice to Have: Knowledge of event-driven architectures, API gateways, or Azure API Management Experience with Swagger/OpenAPI Understanding of AI or automation integrations Join a company where engineering excellence drives innovation in the Fintech space.

Location: Belfast Metropolitan, GB

Posted Date: 11/19/2025