> Markdown version of [/jobs/ext/4109467-java-low-latency-engineer](https://www.wearedevelopers.com/jobs/ext/4109467-java-low-latency-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Low Latency Engineer - **Company:** DCV Technologies Limited - **Location:** London, UK - **Contract:** Contract - **Skills:** Java (Programming Language), Microarchitecture, Data Structures, High-Frequency Trading, Java Virtual Machine (JVM), Java Native Interface, Linux Kernel, Network Protocols, Performance Tuning, Systems Development Life Cycle, Transmission Control Protocol (TCP), Multithreading, Concurrency, Low Latency - **Published:** October 17, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3024535019-2 ## About the Role 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, * 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.