eFX Software Engineer

eFX Software Engineer

Hybrid (UK – Bristol, London, or Manchester)

Up to £160,000 + Pension/Bonus

Join a leading financial technology and trading organisation driving innovation in electronic markets. As an eFX Software Engineer, you’ll design and deliver high-performance, low-latency trading solutions that underpin mission-critical systems. This role offers the chance to work on cutting-edge technology where speed, scalability, and resilience are key.

About the Role

• Lead the design and development of secure, high-performance eFX systems
• Define and evolve Java patterns and techniques optimised for ultra-low latency (<40μs)
• Architect fault-tolerant, scalable trading systems
• Influence technical strategy, architecture, and product roadmaps
• Collaborate with multiple teams to deliver best-in-class E-trading platforms
• Ensure all solutions meet security, compliance, and performance standards

What You’ll Bring

• Strong experience in software engineering, architecture, and database design
• Expert-level Java development, including low-GC and lock-free patterns
• Proven background in FX trading systems, pricing, and risk management
• Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning
• Expertise in networking and messaging (TCP, UDP, Multicast, FIX)
• Knowledge of quantitative instruments and algorithmic trading
• Experience implementing controls in automated trading environments
• Skilled in TDD, automated testing frameworks, CI/CD, and API design
• Ability to translate complex business needs into scalable technical solutions

Desirable Experience

• Leadership across multiple feature teams or complex projects
• Exposure to E-trading and real-time data platforms
• Experience with low-latency Java frameworks and performance monitoring
• Strategic input into enterprise or domain architecture