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# eFX Java Algo Developer

- **Company:** Talan
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Performance Management, Code Review, Linux, Distributed Systems, Financial Information EXchange, Microsoft Office, Multicasting, Networking Basics, Packet Analyzer, Performance Tuning, Message Oriented Middleware, Wireshark, Multithreading, Real Time Systems, Concurrency, Low Latency, Performance Monitor
- **Published:** September 25, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/efx-java-algo-developer/47476535

## About the Role

Linux-based development and performance tuning. Experience with garbage collection-aware coding, real-time systems, and machine-level performance optimization. Strong grasp of Solace messaging, networking fundamentals, 10GbE, and multicast environments. Experience with Wireshark or similar tools for packet analysis and latency diagnostics. Exposure to crypto trading platforms or digital asset markets. Familiarity with machine sympathy principles and high-performance system design. Experience designing real-time mission-critical applications with message bus technologies. Knowledge of performance monitoring tools and metrics instrumentation frameworks. #J-18808-Ljbffr

## Description

through garbage collection-aware techniques, multithreading, and fine-tuned system design. Monitor and improve application performance by designing and maintaining appropriate metrics and KPIs. Collaborate with infrastructure teams to ensure ultra-low-latency, high-throughput, and resilient systems. Participate in code reviews, design sessions, and architecture discussions for high-performance systems. Analyse and troubleshoot production issues, including network-level packet analysis (Wireshark) and Solace message bus troubleshooting. Stay up to date with emerging technologies in FX trading, crypto markets, and distributed systems. Key Skills & Experience Strong hands-on experience with Core Java, including multithreading, concurrency, and low-latency techniques. Proven front-office experience in FX or e-trading environments. Experience in connectivity, market data, core pricing, and hedging strategies. Deep understanding of FIX protocol and electronic trading workflows. Expertise in


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