Senior Low-Latency Java Engineer - London - McGregor Boyall

eFinancialCareersLondonreedpublished 09/24/2026

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Must-have:JavaRustMicroservices

Nice-to-have:Hybrid

I'm working with a leading global investment bank looking for an exceptional low-latency engineer to join its specialist electronic trading technology team.

This is a highly hands-on position-around 90% coding-building Java and Rust event-sourcing frameworks that support algorithmic trading platforms across the bank.

The technology operates at serious scale, with response times in the 10-100 microsecond range.

We're looking for experience in:

Modern Java and JVM performance optimisation
Low-latency algorithmic trading systems
Market data and back-testing/simulation tools
Linux internals, system calls and kernel tuning
TCP/IP and kernel-bypass technologies
Event-driven or event-sourcing microservices
Performance analysis and targeted optimisation

Experience with KDB, Rust or C++ would be highly advantageous.

London - hybrid working, with up to two days from home £Excellent basic plus strong bonus potential

This is an excellent opportunity for someone who remains passionate about hands-on engineering while also enjoying technical leadership and mentoring others.

Please message me directly or email for a confidential discussion.

McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.