Job Description
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:
o Multithreading
o Low latency techniques
o Garbage collection optimization
o 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