Senior Front Office Java Engineer - Ultra Low Latency

  • CMC Markets
  • Sep 18, 2026
Full time I.T. & Communications

Job Description

CMC Markets is seeking a Senior Low Latency Java Developer for the Quantitative Strategies team in London. You will design and build ultra low latency pricing and risk systems that power our market making stack, collaborating with Quants, Front Office and Business Operations.

This onsite role requires 5 days on site at our London office near Liverpool Street. You will lead performance tuning, concurrency optimization and JVM internals work, while mentoring engineers and contributing to