Java Developer - Ultra Low Latency (City Of London)

Role Overview:

We are looking for a highly skilled Java Software Engineer to join a fast-paced, high-performance engineering team focused on building ultra-low latency systems for a leading digital asset trading platform. This role is ideal for someone with a deep understanding of real-time systems and a passion for performance optimisation in latency-sensitive environments.

Key Responsibilities:

• Design, implement, and optimise ultra-low latency trading components in Java
• Develop and maintain exchange connectivity, order routing, and market data processing systems
• Collaborate with traders and quantitative developers to deliver high-performance, production-grade solutions
• Continuously profile and tune system performance to minimise latency and maximise throughput

Required Skills & Experience:

• Strong proficiency in core Java, with a focus on performance, concurrency, and memory management
• Proven experience building low-latency, high-throughput systems in trading or similarly demanding environments
• Deep understanding of multithreading, lock-free programming, and garbage collection tuning