Low-Latency Java Engineers — FX & Cash Equities

I’m partnering with a highly regarded technical engineering vendor supporting multi-year, mission-critical programmes within a Tier-1 electronic trading environment.

About the Role

We’re looking for exceptional Java Engineers with genuine low-latency trading experience across FX and Cash Equities.

Responsibilities

• Work as a Low-Latency Java Engineer within a Tier-1 electronic trading environment.


• Apply deep Java/JVM experience within electronic or algorithmic trading.


• Optimise latency, throughput and performance in trading systems.


• Work on low-latency market data, execution or connectivity.


• Engage in multi-year, mission-critical programmes.


• Be on-site in London a minimum of 3 days per week.


• Participate in confidential discussions regarding your experience and suitability.

Qualifications

• UK work eligibility required.


• Must be London-commutable.

Required Skills

• Deep Java/JVM experience within electronic or algorithmic trading, with demonstrable experience optimising latency, throughput and performance.


• Low-latency experience is critical.


• Ability to clearly explain:


• What is the lowest-latency system you have worked on?


• What were the latency requirements?


• What did you personally optimise?


• Which technologies did you use?


• How did you measure the improvement?


• Ability to demonstrate the problem intervention measurable outcome, rather than simply stating "low latency" on a CV.


• FX or Cash Equities experience, particularly around electronic trading, execution, market data, order routing or exchange connectivity.

Preferred Skills

• Relevant experience may include:


• Lock-free concurrency / ring buffers


• JVM and GC tuning


• Low-latency market data, execution or connectivity


• We are interested in genuine engineering depth, not keyword coverage.

Pay range and compensation package

• Up to £750/day Inside IR35

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