Senior Java Software Engineer

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