About the role

We are looking for a Senior Full Stack Engineer to lead the delivery of complex, high‑impact features across the Avios App's mobile and backend systems. You should have deep expertise in either React Native or .NET/C#, with solid hands‑on experience in the other, enabling you to operate confidently across the full stack.

Responsibilities

• Deliver end‑to‑end features across the Avios App, building scalable, reliable solutions using React Native and .NET/C#.
• Collaborate with teammates across engineering, QA, Product Managers and Designers to break down complex problems and produce production‑ready solutions.
• Apply strong technical judgement to shape implementation approaches, challenge decisions where necessary, and maintain high standards of quality, performance and maintainability.
• Support the wider team through code reviews, mentoring, and continuous improvement of engineering practices.
• Identify opp...