Senior Ultra-Low Latency Risk Engine Lead

Citi Equities Technology in London is seeking a Senior Software Engineer to own the ultra-low-latency risk engine in the cash equities trading hot path, with leadership responsibilities inspiring a distributed team.

You will design, implement, and tune multi-threaded components, apply JVM or native performance techniques, and collaborate with traders, researchers, and QA across regions to deliver low-latency risk checks and real-time controls.