Senior Java Software Engineer

CompanyReed

LocationCity Of London, England, United Kingdom

Posted At3/11/2026

UK Visa Sponsorship Analytics

Occupation Type

Programmers and software development professionals

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£54,700 (£28.05 per hour)

Occupation rate applies

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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:
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