IT & Software

Java Low Latency Engineer

DCV Technologies

London · Greater London · United Kingdom

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.

Reference: WJ-756_308134

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