Senior .NET Fullstack Dev (Remote) – React

Avanti is seeking a Senior Fullstack .NET Developer with strong React experience to join a software business modernising a core platform. This hands-on role focuses on building scalable services, APIs and frontend features while guiding architecture decisions.

You will work in a test-driven environment, increase automated test coverage, and contribute to the overall quality of the codebase. The role is remote-first with occasional in-person collaboration near West London and the M4 corridor,