Job Specifications
Senior Java Developer
Location: London (Hybrid – 3 days in office)
Role Overview
We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert (SME) in low latency trading systems.
This is a hands-on development role focused on building and enhancing pricing, hedging, and market connectivity systems for the eFX trading desk. You’ll be working in a fast-paced, front-office environment, collaborating closely with developers, business analysts, project managers, and QA teams.
This role demands deep technical expertise in Java, particularly in low latency environments, and a strong understanding of FX trading systems. You’ll be expected to contribute to all phases of the software development lifecycle, from design and prototyping to deployment and support.
Key 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.
Required Skills & Experience
Technical Expertise
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
Domain Knowledge
Front-office experience in FX trading or quantitative finance
Understanding of pricing algorithms, dynamic spreading, and FX ECNs
FX Options knowledge is a plus
Methodologies & Collaboration
Experience with Agile, Scrum, or Kanban delivery frameworks
Strong communication skills with the ability to liaise between IT and trading desks
Production stability mindset and ability to work with infrastructure and support teams
Qualifications
Bachelor’s degree (or equivalent) in Computer Science, Mathematics, Physics, or Engineering
Postgraduate qualifications in advanced computing or statistical disciplines are desirable
Competencies & Values
Ability to quickly learn and apply new technologies
Proactive in contributing ideas and innovations to the team
Commitment to transparency, accountability, excellence, and client service quality
About the Company
Reed is the largest family-run recruitment business in the world and we’ve been improving lives through work since 1960. We have the UK's largest candidate database, expertise in 20 specialist sectors and offer the longest guarantees on the market.
We’re a pioneer of specialist recruitment services and our experts work with more than 30,000 organisations in the UK to fill their temporary, permanent and interim positions.
For more information on our services, jobs and industry insight, visit Reed.com
Know more