> Markdown version of [/jobs/ext/4697221-net-developer-750pd-inside-ir35-hybrid-london-energy-trading](https://www.wearedevelopers.com/jobs/ext/4697221-net-developer-750pd-inside-ir35-hybrid-london-energy-trading). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Net Developer - £750pd Inside IR35 - Hybrid/London - Energy Trading - **Company:** Rjc Group Ltd - **Location:** London, United Kingdom - **Contract:** Temporary contract - **Skills:** .NET Framework, C Sharp (Programming Language), Enterprise Messaging Systems, Risk Management Information Systems, Multithreading, ReactJS, Kubernetes, Apache Kafka, Docker - **Published:** November 13, 2026 - **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-D79EAE4910AD0274FE/ ## About the Role * Hands-on experience with modern C#/.NET and Multithreading. * Kafka or other Real Time messaging technologies. * Energy trading experience, ideally covering positions, risk or P&L (and an understanding of energy trading products). * Experience with Docker, Kubernetes and React would also be beneficial ## Description We are working with a London-based energy trading business looking for a C#/.NET contractor to develop Real Time position and risk management systems, working closely with traders in the Front Office tech team.