Senior Software Engineer (C# / SQL Server)

Senior Software Engineer £75,000 – £85,000 + Bonus & Benefits Hybrid | Central London (1 day per week) We're working with a scaling, mission-driven consumer app business to find a Senior Software Engineer to join a small, high-ownership engineering team. They're backed by a major international organisation, which means real stability and resource, but the team operates with full startup autonomy - moving fast, shipping frequently, and owning what they build end to end. As a Senior Software Engineer, you'll work comfortably across both backend and frontend, with a natural lean towards backend design and architecture. Design and ship features across the full stack, writing clean, maintainable TypeScript on both backend and frontend Take a leading role in backend design, data modelling, and API quality as the platform scales Make pragmatic technical decisions that balance quality, speed, and long-term maintainability Solid full-stack experience with genuine depth on the backend: APIs, data modelling, system design js background Frontend experience in Angular, ideally with exposure to Ionic as the framework layer Competitive base salary plus annual bonus ~ Hybrid working: Private health scheme ~25 days holiday plus additional leave perks ~ Flexible and remote-friendly working arrangements ~ Dedicated training and development budget This is a strong opportunity for a pragmatic Senior Software Engineer who wants genuine ownership, a tight-knit team, and a product with real-world impact.