eFX Java Algo Developer

Talan Group; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A global consulting firm in London is seeking an experienced eFX Java Developer to design and maintain low-latency applications for electronic FX trading systems. Ideal candidates have a strong background in Core Java, multithreading, and real-time market connectivity, with experience in trading environments essential. This position focuses on optimizing trading performance and ensuring robust execution of trades, making it suitable for those with a passion for making impactful technology-driven solutions.

Qualifications

• Strong hands-on experience with Core Java, including multithreading and concurrency.
• Proven front-office experience in FX or e-trading environments.
• Experience with garbage collection-aware coding and performance tuning.

Responsibilities

• Design, develop, and maintain low-latency Java applications for eFX trading.
• Collaborate with teams to enhance market data and pricing components.
• Monitor application performance and troubleshoot production issues.

Skills

Core Java

Multithreading

Low-latency techniques

SOLACE messaging

Wireshark

Job description

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

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.

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.