Contract C++ Engineer Location: Central London (Hybrid) Contract Duration: 12 months (with potential for extension), no sponsorship offered We're on the hunt for an experienced C++ engineer to join a small, sharp team building ultra-fast systems that process live data from stock exchanges across the globe. If you're passionate about performance, love shaving microseconds off code, and get a kick out of tackling complex engineering challenges, this is your kind of project! The Mission You’ll be part of a team responsible for creating and refining core systematic systems that are absolutely central to high-speed trading strategies. This involves deep systems-level work in Linux environments, contributing to the architectural direction of the platform, and constantly improving throughput and reliability. You’ll collaborate across the full software lifecycle—from shaping design and writing code to testing, deployment, and live ops support. Expect to work with modern infrastructure tools like Kubernetes and leverage bleeding-edge networking tech to achieve world-class performance. What You'll Be Doing Designing and building robust, high-performance components in modern C++. Profiling, tuning, and refining systems to optimize latency. Evolving platform architecture to scale with growing data demands. Working closely with researchers and engineers to ensure clean, usable data across the business. What We're Looking For Proven experience solving latency- &/or infrastructure-based problems in C++(version 17 or above). Bachelor's/Master's Degree in Computer Science, Software Engineering, or similar, from top global university. 8 years of experience working within trading environments. Strong grasp of algorithms, data structures, and systems-level programming. Pragmatic approach to design with a focus on performance and reliability. Excellent communication and team collaboration skills.