C++ Developer - Market Connectivity / FIX

Our client, a top‑tier quantitative trading firm, is seeking an exceptional C++ Developer with strong FIX protocol and market connectivity experience. You will develop and optimise ultra‑low‑latency market access systems that directly power high‑performance trading across global markets. This is an opportunity for engineers who enjoy solving complex problems, value ownership, and want their work to have immediate impact on trading outcomes. ResponsibilitiesDesign, develop, and optimise low‑latency C++ components for market connectivity.Implement and maintain FIX protocol sessions and exchange-specific connectivity adapters.Work closely with traders, quants, and infrastructure engineers to deliver robust, high‑performance trading solutions.Monitor, troubleshoot, and tune systems for resiliency, throughput, and latency.Contribute to architecture and continuous platform improvements. Requirements5+ years of hands-on C++ development experience (C++14/17/20).Strong background in FIX protocol and exchange/market connectivity.Deep understanding of networking, messaging systems, and low‑latency optimisation.Experience in electronic trading, market‑making, or execution systems is highly preferred.Strong problem-solving skills and ability to thrive in a fast-paced, high‑ownership environment.