Top Tech Jobs & Startup Jobs in London

Analyze high-frequency limit orderbook and tick data to discover predictive signals; build and backtest quantitative models; develop and maintain data pipelines; apply statistical and tree-based machine learning methods; collaborate with researchers and traders to productionize and monitor live signals.

The role involves designing, implementing, and deploying a core trading platform in C++. Responsibilities include troubleshooting and collaborating with cross-functional teams to enhance trading systems.

Own and operate an on-prem Kubernetes platform for trading systems: cluster lifecycle, observability (metrics/logs/traces), GitOps CI/CD, infra automation, and onboarding/support for trading desks.

The Portfolio Manager will manage and scale proprietary trading strategies, optimize execution models, and own risk and P&L while collaborating with other traders and engineers.

Lead design and build of a greenfield, ultra-low-latency C++ trading platform covering execution, market data, order and risk management. Implement direct exchange connectivity, optimize microsecond/nanosecond performance, collaborate with traders and quants, own systems end-to-end from design through production support for live trading.

Summer trading internship rotating across at least two commodity desks. Build and maintain analytics dashboards, back-test trading ideas, present results, and learn from senior and junior traders. Onsite in London with mentorship and potential full-time consideration.

Build and operate DV's model layer: fine-tune and distill open-weight models, run on-prem inference infrastructure on Kubernetes, implement a model gateway routing across providers, evaluate model quality/cost/latency, manage GPU provisioning and utilization, and define tooling for model selection and production regression testing.

Summer software development internship building low-latency trading applications and tools. Deliver self-contained features within an existing production codebase, use AI coding tools responsibly, and collaborate with development and trading teams to improve performance-sensitive systems.

The Senior FPGA Engineer will architect ultra-low-latency FPGA trading systems, mentor a team, and collaborate closely with quantitative researchers and software developers.

Middle-office role supporting trading desks: monitor trading activity, perform daily PnL reconciliation, investigate breaks, resolve trade issues, escalate pricing/risk problems, and drive data-driven process improvements and automation.