Java Low Latency Engineer

Position: Java Low Latency Engineer
Location: London, UK (Hybrid-2/3 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