> Markdown version of [/jobs/ext/2808275-senior-low-latency-java-engineer](https://www.wearedevelopers.com/jobs/ext/2808275-senior-low-latency-java-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). --- # Senior Low-Latency Java Engineer - **Company:** Morgan McKinley - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Layers, Continuous Integration, Memory Management, Java Virtual Machine (JVM), Spring Framework, Performance Tuning, UML, Low Latency, Event Sourcing, Microservices - **Published:** September 9, 2026 - **Apply:** https://www.collegerecruiter.com/job/2856363262-senior-low-latency-java-engineer ## About the Role * Mechanical Sympathy: A proven track record of targeted performance tuning, memory management, avoiding GC pauses, and writing zero-allocation code. * Proven Commitment: A history of solid tenures (mostly 3+ years), demonstrating you are someone who invests in the mission and makes good long-term decisions. * The "X-Factor": We look for passionate technologists with prestigious previous employers, high-achieving academic records, and a dedication to quality engineering (TDD, CI/CD, observability). ## Description We are seeking a top-tier Low-Latency Java Engineer to join a multi-year, mission-critical engagement building next-generation electronic trading platforms. Operating across either Foreign Exchange (FX) or Cash Equities domains, you will architect and build ultra-fast, commercial-grade, event-sourced microservices from the ground up. You will tackle massive scale and deterministic latency, ensuring systems operate flawlessly under severe market volatility., * Engineer extreme-performance, mission-critical Java frameworks based on event-sourcing architectures. * Conduct relentless performance assessments, JVM tuning, and system profiling at the OS, JVM, and application layers. * Collaborate directly with quantitative and front-office stakeholders, utilizing high EQ to communicate complex architectural decisions clearly. * Produce clear diagrammatic documentation and model key system aspects using UML sequence diagrams. ## Related Videos - [Build ultra-fast In-Memory Database Apps and Microservices with Java ](https://www.wearedevelopers.com/videos/405-build-ultra-fast-in-memory-database-apps-and-microservices-with-java) - [Microservices: how to get started with Spring Boot and Kubernetes](https://www.wearedevelopers.com/videos/242-microservices-how-to-get-started-with-spring-boot-and-kubernetes) - [ChatGPT and Java: A Match Made in Heaven or Hell?](https://www.wearedevelopers.com/videos/536-chatgpt-and-java-a-match-made-in-heaven-or-hell) - [Swapping Low Latency Data Storage Under High Load](https://www.wearedevelopers.com/videos/746-swapping-low-latency-data-storage-under-high-load) - [Practical performance tuning for Serverless Java on AWS](https://www.wearedevelopers.com/videos/2075-practical-performance-tuning-for-serverless-java-on-aws) - [Cloud Chaos and Microservices Mayhem](https://www.wearedevelopers.com/videos/104-cloud-chaos-and-microservices-mayhem) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)