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Senior Low Latency Java Engineer - High Performance Systems

McGregor Boyall Associates
London
4 days ago
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We are hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems. This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services.

You'll join a specialist engineering group designing fault-tolerant, sub-40s latency pipelines, shaping architecture decisions and solving complex technical challenges that require first principles thinking.



What You'll Be Working On

  • Designing and optimising high-performance Java services with lock-free, zero-allocation and low-GC approaches.

  • Hardware-aware optimisation including CPU architecture, cache behaviour, kernel tuning, core pinning and memory layouts.

  • Building and improving ultra-low-latency messaging pipelines (Multicast, TCP, IPC).

  • Working directly with senior engineering leadership on system architecture and performance strategy.

  • Driving technical direction and mentoring senior members of the team.

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