Quant Developer in London - eFinancialCareers

You will be building and optimizing cutting-edge trading infrastructure that supports algorithmic pricing, market-making, and execution strategies across a wide range of asset classes.

This is a high-impact, front-office engineering role where technical excellence, business acumen, and speed are critical. You’ll work closely with traders, quants, and other technologists to deliver ultra-low-latency systems that directly affect P&L.

Key Responsibilities:

• Design, develop, and optimise low-latency trading components in Java.
• Collaborate with quantitative analysts and traders to integrate models into production.
• Build event-driven, multi-threaded systems with microsecond-level performance targets.
• Analyse performance bottlenecks and continuously improve system latency and throughput.
• Ensure high availability and resilience of trading applications in dynamic markets.

Requirements:

• Strong core Java (11+) skills, including memory management and concurrency.
• Proven experience developing low latency systems in a trading environment.
• Solid understanding of network I/O, serialisation, and real-time messaging frameworks (e.g., Aeron, Chronicle, SBE).
• Familiarity with performance profiling tools (e.g., JMH, perf, YourKit).
• Experience working in a Linux environment with a focus on real-time tuning.
• Ability to work directly with trading and quant teams in a fast-paced front-office environment.