Java Low Latency Developer - International Bank - 50k to 80k

Hong Kong, Hong Kong SAR, Hong Kong

Java Low Latency Developer - International Bank - 50k to 80k

Job Description

The company

A leading international financial institution with a strong presence in global markets, the company specializes in electronic trading and cutting-edge financial technology. It operates in a highly dynamic environment, delivering innovative solutions to support front-office trading activities while maintaining a strong focus on compliance, performance, and scalability.

The team

You will join a high-performing eFX technology team responsible for building and maintaining low-latency pricing, hedging, and order distribution systems for a global FX trading desk. The team is composed of experienced engineers working across Java (server-side) and C# (UI), collaborating closely with Front Office, Product Managers, and Infrastructure teams in a fast-paced, agile environment.

The role

As a Low Latency Java Developer, you will play a key role in designing and developing high-performance trading systems, focusing on pricing, hedging, and market connectivity. This is a hands-on position requiring close interaction with traders and business stakeholders to deliver robust, real-time solutions that directly impact trading performance and P&L. You will contribute across the full development lifecycle, from prototyping to production support, within a high-frequency, low-latency environment.

The requirements

Strong expertise in Java development, including

Multithreading

Low latency systems
Garbage collection optimization
Performance monitoring and metrics design
Experience building real-time, mission-critical systems
Solid knowledge of Linux/Unix environments
Familiarity with market protocols (e.g. FIX)
Experience with message bus technologies and networking concepts (multicast, packet analysis, etc.)
Understanding of low latency design principles and machine sympathy
Experience working in Agile / Scrum / Kanban environments
Exposure to FX trading systems or similar front-office environments
Knowledge of pricing algorithms (spot/forward), ECNs, and trading workflows
Strong communication skills and ability to collaborate with both technical and business stakeholders
Ability to contribute to system design, testing, release cycles, and production support
Degree in Computer Science, Engineering, Mathematics, Physics or related field

Nice to have

• Experience with FX options
• Advanced degree in a quantitative discipline
• Experience in front-office-facing roles
• The contacts
• thomas.hardy@unity-partners.com

Required Skills

Java

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