Job Title: eFX Java Developer
Location: London
Company: Talan
Type: [Full-time]
About Talan
Talan is a global consulting group specialising in business and IT transformation, with a strong presence in financial markets, digital innovation, and data-driven technologies. We partner with leading financial institutions to deliver innovative solutions that drive performance and resilience.
We are looking for a highly skilled eFX Java Developer with a strong background in front-office systems, low-latency trading platforms, and real-time market connectivity to join our team.
Key Responsibilities
Design, develop, and maintain low-latency Java applications supporting electronic FX (eFX) trading systems.
Collaborate with front-office teams to build and enhance connectivity, market data, pricing, and hedging components.
Implement algorithmic trading strategies and optimize trading performance.
Work with FIX protocol and other market connectivity layers to ensure robust trade execution and data integrity.
Optimize performance 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
Essential:
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 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.
Desirable:
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.
#TalanUK
Talan is an international consulting and technology expertise group that accelerates its clients' transformation through innovation, technology, and data. For over 20 years, Talan has been advising and supporting companies and public institutions in implementing their transformation and innovation projects in France and internationally.
Present on five continents, in 21 countries, the Group, Great Place To Work certified, will have more than 7,100 employees by the end of 2024. It aims to achieve a turnover of 850 million euros in the same year and exceed the one-billion-euro threshold by 2025.
With its research and innovation Centre, Talan puts innovation at the heart of its development and intervenes in the technological mutation sectors, such as Artificial Intelligence, Data Intelligence, Blockchains, to avail the growth of major groups and mid-cap companies through a committed and responsible approach. www.talan.com
By placing "Positive Innovation" at the heart of its strategy, the Talan Group is convinced that it is by serving people that technology amplifies its potential for society.
