Senior Low-Latency Java Engineer: Trading Tech

Citigroup Inc. in London seeks a Senior Low Latency Java Engineer to lead the design and implementation of high-performance trading systems within the HPA team.

The role focuses on Java, C++, KDB, market data, and algorithmic trading technology to deliver ultra-fast, reliable services. You will mentor junior developers, drive architectural decisions, and collaborate with cross-functional teams to meet strict latency and reliability requirements, with a strong emphasis on risk awareness and