Java Low Latency Engineer

Position: Java Low Latency Engineer Location: London, UK (Hybrid-3 days from office) Long term contract position Role Overview We are looking for an experienced Java Low Latency Engineer with strong expertise in Java…

Hybrid Finance
Contract type Contract
Posted 16 October 2026

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About this contract

Position: Java Low Latency Engineer
Location: London, UK (Hybrid-3 days from office)
Long term contract position
Role Overview
We are looking for an experienced Java Low Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. The ideal candidate will have experience building event-driven, concurrent systems designed for low-latency and high-frequency environments
Required Skills & Experience
* Strong Core Java and JVM performance tuning expertise.
* Excellent knowledge of Data Structures and Algorithms.
* Experience with concurrency, multithreading, and low-latency system design.
* Knowledge of GC, JNI, Java Unsafe, and JNR-FFI.
* Strong understanding of CPU architecture, shared memory, and memory-mapped files.
* Experience with networking protocols such as TCP and UDP.
* Good understanding of Linux internals and system-level performance optimization.
Nice to Have
* Experience with Aeron messaging and transport technology.
* Background in high-frequency trading (HFT), electronic trading, or other performance-critical systems

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