Senior Software Developer (Back-end)

• Own the development of responsive, high-performance applications using C# .NET (primary focus).
• Support frontend development with React (secondary focus), ensuring seamless integration between frontend and services.
• Work in an agile environment to design, develop, and release features efficiently with minimal oversight.
• Contribute to CI/CD pipelines and deployment processes to ensure reliable and consistent releases.

This role directly contributes to building predictive technology solutions for wind turbines, maximizing energy production and making turbines more reliable for longer, thereby supporting the renewable energy sector and a more efficient future.

• Strong commercial experience with C# .NET (5+ years preferred).
• Solid experience with modern frontend tooling (state management, component libraries, testing frameworks).
• Working knowledge of React (2+ years) to support frontend services.
• Experience building scalable, performant web applications and familiarity with cloud platforms (AWS preferred) and relational databases (PostgreSQL ideal).

Contract role with high autonomy and immediate impact. Opportunity to work on a modern, high-visibility platform in the renewable energy sector. Part of Macquarie Group, a global financial services group with a 54-year record of unbroken profitability.

ONYX Insight is a growing technology and engineering organisation in the renewable energy sector, providing predictive technology solutions to maximize wind turbine production and reliability. It is part of the Macquarie Group.