A world-leading quantitative trading firm is hiring a Production C++ Engineer to join its core engineering team. This role is focused on building and maintaining the mission-critical infrastructure that powers global trading across equities, futures, FX, fixed income, and crypto. As part of the Production Engineering desk, you'll work at the intersection of software and systems, ensuring the reliability, performance, and scalability of ultra-low latency trading platforms. Key Responsibilities: Develop and maintain high-performance C++ infrastructure supporting real-time trading Optimise systems for latency, throughput, and determinism using C++20 and a custom GSS 12 toolchain Implement lock-free and wait-free data structures for multi-threaded environments Work on kernel bypass networking (e.g., DPDK, RDMA) and custom protocol stacks Monitor, debug, and tune production systems at the OS, network, and application levels Skills & Experience: Strong expertise in modern C++ (C++17/20), with a focus on performance and concurrency Deep understanding of systems programming, including memory models, CPU architecture, and OS internals Experience with kernel bypass technologies Familiarity with observability tools, debugging in live environments, and production incident response Background in high-performance computing, trading systems, or large-scale distributed systems is a plus. Interested in building the backbone of one of the fastest trading systems in the world? Apply for more info