Quant Dev

Our client, a leading global multi‑manager investment firm, is seeking a Senior Quantitative Developer (C++) to join one of their world‑class quantitative trading teams in London. This role sits within a core trading technology group, with a clear mandate to own and drive the build of the live trading platform, spanning execution, market data, order management, and system integration across asset classes. The research layer is largely in place; this is a hands‑on senior build role focused on production trading systems. You will take ownership of the end‑to‑end trading stack, including architecture and system design, and lead the development of a robust, scalable platform that supports live deployment in a latency‑sensitive environment. C++ is central to this role. Responsibilities:Design, architect, and develop core trading systems in C++ supporting live execution, market data, and order managementTake ownership of the full trading stack, from system design through implementation, deployment, and production supportDrive platform builds and major rebuilds with a focus on improving performance, reliability, and scalabilityDevelop tools used for analysis, trading, and risk management in a production‑critical environmentEnsure integrity of tick data and broader data pipelines, identifying and resolving data quality issuesCollaborate closely with quantitative researchers, traders, internal technology teams, and external vendorsCommunicate progress and technical trade‑offs clearly to team leads and senior stakeholdersProvide ongoing maintenance and enhancement of existing systemsStay informed on market developments and relevant academic research, contributing to the evolution of trading strategiesApply advanced techniques, including machine learning where appropriate, to enhance trading performance Requirements:Significant professional experience building production‑critical C++ systems on LinuxProven experience owning or leading the development of live trading infrastructure end‑to‑endStrong background in performance‑sensitive, multithreaded, or distributed systemsExperience with execution systems, market data, tick data, order management, or trading platformsDemonstrated ability to improve system performance, robustness, and scalability through major builds or rebuildsStrong commercial awareness and understanding of how engineering decisions affect trading outcomesComfortable working closely with researchers, traders, and senior leadershipClear communication skills and an ownership‑driven, delivery‑focused mindset