Senior Software Developer (Back-end)

The Role

Are you a highly skilled full stack contractor looking to make an immediate impact on a modern, high‑visibility platform? At ONYX Insight, we’re looking for a Senior Software Contractor to join our team, with a primary focus on backend delivery using C# .NET, alongside contributing to our React frontend services.

This is a hands‑on contract role where you’ll be trusted to hit the ground running, deliver high‑quality code, and contribute to the evolution of our core platforms supporting the renewable energy sector.

You’ll work closely with product, design, and engineering teams to build scalable, performant user interfaces, while also supporting backend integrations where needed.

Key Responsibilities

• Deliver High‑Impact Backend Solutions: Own the development of responsive, high‑performance applications using C# .NET (primary focus).
• Full‑Stack Contribution: Support frontend development with React ...