Quantitative Developer - Ultra-Low Latency Trading (Hybrid)

Citigroup Inc. in London seeks a Quantitative Analyst/Developer to advance the cash equity algorithmic trading platform, designing low-latency systems in Java and Rust while applying quantitative methods.

You will collaborate with traders and technology staff, perform microstructure research, build backtests in Python/kdb, and push performance improvements across the trading desks. This role offers global exposure, a hybrid work model, and opportunities to shape the firm's execution capabilities.