Salary: £130,000 - 150,000 per year Requirements: Strong proficiency in Java, including multithreading, low latency techniques, garbage collection optimization, performance monitoring and metrics design Solid understanding of Linux/UNIX operating systems Experience with real-time, mission-critical systems Familiarity with networking tools (e.g., Wireshark), Solace, and 10GbE multicast Knowledge of FIX protocol and other market connectivity standards Front-office experience in FX trading or quantitative finance Understanding of pricing algorithms, dynamic spreading, and FX ECNs FX Options knowledge is a plus Experience with Agile, Scrum, or Kanban delivery frameworks Strong communication skills to liaise between IT and trading desks Ability to quickly learn and apply new technologies Proactive in contributing ideas and innovations to the team Bachelors degree (or equivalent) in Computer Science, Mathematics, Physics, or Engineering Postgraduate qualifications in advanced computing or statistical disciplines are desirable Responsibilities: Design and develop high-performance, low-latency Java applications for pricing, hedging, and market connectivity Collaborate with Front Office and IT teams to gather requirements and deliver analytics and trading solutions that directly impact P&L Rapidly prototype solutions in an agile environment with evolving priorities Participate in sprint planning, estimation, and provide regular updates to project managers Create and maintain technical documentation including design specs, functional requirements, and unit tests Provide third-line support and technical assistance to production support teams Participate in software releases, which may occasionally occur outside regular working hours Ensure compliance with internal policies and regulatory requirements, including financial crime prevention and mandatory training Technologies: Support Java Kanban Linux Unix More: We are seeking a highly skilled Senior Java Developer to join our eFX Algo IT team as a Subject Matter Expert (SME) in low latency trading systems. This hands-on development role focuses on building and enhancing pricing, hedging, and market connectivity systems for the eFX trading desk in a fast-paced, front-office environment. You will collaborate closely with developers, business analysts, project managers, and QA teams, contributing to all phases of the software development lifecycle from design to support. last updated 12 week of 2026