Senior Software Engineer (C# / JavaScript)

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
~JS or Node.JS
~ 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...