Overview
eFX Software Engineer - Permanent | London (Hybrid) We're hiring an experienced eFX Software Engineer to join a leading financial institution's digital technology division. This is a permanent position based in London with a flexible hybrid working model. You'll be part of a high-performing team focused on delivering secure, high-performance, and scalable solutions to support institutional trading platforms.
Key Responsibilities
* Develop and maintain low-latency eFX trading systems using high-performance Java (e.g., lock-free, low-GC techniques).
* Design and implement fault-tolerant system architectures with <40 microseconds one-way latency.
* Collaborate with cross-functional teams to define and evolve architecture and engineering practices.
* Influence technical strategy, ensuring alignment with product and trading goals.
* Contribute to the evolution of FX pricing and risk management capabilities.
Required Skills & Experience
* Strong expertise in core Java, including low-latency, high-throughput systems.
* Deep understanding of modern CPU architecture, cache optimization, and Linux performance tuning.
* In-depth experience with networking protocols such as TCP, UDP, Multicast, FIX.
* Familiarity with quantitative finance, algorithmic trading, and implementing controls in automated trading systems.
* Proven experience with DevOps, Agile methodologies, TDD, and use of CI/CD tools.
* Background in API design and automated testing frameworks.
This is an excellent opportunity to work on complex, high-impact systems within a supportive and forward-thinking technology team.
Rates depend on experience and client requirements
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