Senior Quant Developer (Python) - Equities StatArb - London - Up to £500k TC Custom-built, high-performance Python DAG framework powering everything from research to live execution. Same codebase, same infrastructure, zero friction between backtesting and production P&L. A global systematic investment manager ($6bn AUM) is expanding their Equities StatArb platform. Live since 2021, trading 24/6 globally. Unified graph-based framework (DAG) across research, production, analytics, risk, and P&L. Deep Numpy/Numba work, processing vast historical datasets and real-time tick data. You'll contribute to shared tooling that researchers actually rely on. You'll sit between researchers and the live trading desk, designing and owning critical pieces: portfolio construction, execution optimisation, transaction cost analysis. Direct line of sight to P&L. Brand new City offices. Open floor plan, non-siloed. 60% of staff have 6 years tenure. Technology is front-line, not a cost centre—real scope for mobility between desks, strategies, and business lines. What you'll need: 5 years as a Quant Dev in a systematic hedge fund (StatArb/equities experience ideal) Deep Python expertise (Numpy/Numba) Strong grasp of statistical methods, numerical optimisation, and equity market microstructure Experience with Unix internals and graph-based data processing frameworks What you'll be doing: Building and supporting complex StatArb strategies across large-scale data processing, modelling, portfolio construction, and execution Contributing to the design of the DAG framework used across the entire stack Working closely with researchers to build tooling, shared libraries, and frameworks that they actually rely on Taking ownership of system components in a fast-paced, agile setup Compensation is genuinely uncapped, this could go north of £500k TC for the right person. No fixed budget, just a question of fit and impact. We encourage you to apply even if you don't tick every box, proven academics, willingness to learn, and genuine intellectual curiosity count for a lot here. Note: if you haven't received a reply within 3 days, your application was unfortunately not accepted. Senior Quant Developer (Python) - Equities StatArb - London - Up to £500k TC