Senior eFX Low Latency Java Developer

Job Title: Senior eFX Low Latency Java Developer

Role Overview

We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert in low latency trading systems. This is a hands-on development role focused on building and optimizing pricing, hedging, and market connectivity systems for the eFX trading desk.

Experience in eFX pricing is essential , including price construction and algorithmic trading . You’ll work closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, low latency architecture, and compliance within a trading environment is required.

This is a hybrid position , requiring 3 days per week in-office at our location near Liverpool Street Station in London.

Key Responsibilities

• Design and develop low latency pricing and trading systems using Java.
• Collaborate with Front Office and IT teams to prototype and deliver analytics and algorithmic trading solutions.
• Analyse and optimize performance in high-frequency trading environments.
• Contribute to all phases of the development lifecycle: design, specification, testing, deployment, and support.
• Provide 3rd line technical support and liaise with production support teams.
• Participate in sprint planning, estimation, and regular project updates.
• Support software releases, including occasional out-of-hours deployments.
• Ensure compliance with internal policies and regulatory requirements.

Core Attributes & Skills

• Strong communication and analytical skills.
• Deep expertise in Java, especially in multithreading, low latency, and performance tuning.
• Solid understanding of FIX protocol and market connectivity.
• Proven experience in eFX pricing , including price construction and algo development .
• Experience in front-office FX or quantitative finance environments.
• Proficient in UNIX/Linux systems.
• Familiarity with Agile, Scrum, or Kanban methodologies.
• Production stability mindset and ability to collaborate across infrastructure and support teams.

Person Specification

Essential Qualifications & Experience

• Degree (or equivalent) in Computer Science, Mathematics, Physics, or Engineering.
• Proven experience in:
• Java development (low latency, multithreading, garbage collection-aware techniques).
• Performance monitoring and metric design.
• Real-time, mission-critical systems.
• Linux and message bus technologies.
• Network analysis tools (e.g., Wireshark).
• Solace or similar messaging platforms.
• eFX pricing systems and algorithmic trading frameworks.

Desirable

• Postgraduate qualification in computing, mathematics, or statistics.
• Experience with FX ECNs, pricing algorithms, FIX engines/APIs.
• Knowledge of FX Options and FIX packages.

Competencies

• Ability to quickly learn and apply new technologies.
• Strong technical acumen and delivery focus.
• Clear communicator with the ability to engage both technical and business stakeholders.
• Values: transparency, accountability, excellence, and client service quality.