Senior C++ Software Engineer 12 month contract - £600 to £850 per day inside Global Trading andamp; Supply | High-Performance Trading Technology As a Senior C++ Software Engineer, you''ll collaborate with technologists, quants, and traders to build and optimise our in-house global derivatives trading platform. You''ll work across the full stack of proprietary trading technology - from exchange connectivity to trading engines - with the autonomy and impact of a high-performance engineering culture. You will play a key role in ensuring ultra-low latency performance, reliability, and scalability while shaping the next generation of our trading systems. What You''ll Work On Exchange Connectivity Develop software that interacts with major global futures exchanges via native APIs andamp; protocols (FIX, WebSocket, HTTP). Maintain and extend testing suites to ensure robust connectivity performance. Optimise exchange communication through Kernel bypass, TLS tuning, and advanced networking techniques. Study and align with detailed exchange behaviours. Work across C++, Rust, Python, and Typescript where required. Trading Strategies Build and enhance algorithmic trading strategies from trader and quant requirements. Increase the performance, reliability, and stability of the trading engine. Improve monitoring and observability alongside Trading Operations. Diagnose and resolve production issues (crashes, logic anomalies, latency bottlenecks). Support release preparation and deplo