Senior Software Engineer (Mobile Platform)

Here at giffgaff we’re looking for a passionate and enthusiastic Software Engineer who doesn't just want to ship features, but wants to build the engine that ships them. You will join our Platform Team with a clear mission: Enable our feature teams to move faster, safely.

You will own the mobile architecture, the design system, and the developer experience. You won't just write code; you will design the standards for security, performance, and scalability that the rest of engineering relies on.

You will work in a cross‑functional team with like‑minded people to ensure this product is successful and sustainable. We work with many teams at giffgaff, including various partners and associates we rely on, to ensure we’re active and engaged with our engineering community, improving our ways of working and maintaining a high standard and quality of products we create.

What you’ll build & own

• Platform Architecture: Architect the core React ...