Skills

Java Wireshark Monitoring Networking Architecture Linux

Job Specifications

Job Description

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.

Additional Information

#TalanUK

About the Company

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 18 countries, the Group, Great Place To Work certified, will have more than 7,200 employees by the end of 2024. It aims to achieve a turnover of 850 million eu... Know more

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