Low Latency Java Engineer

Low Latency Java Engineer

London | Hybrid

Electronic Trading / Distributed Systems / FinTech

A leading global trading technology business is looking to hire a Low Latency Java Engineer to join a high-performing Core Trading team building the systems at the heart of a large-scale electronic trading platform.

This is a hands-on backend engineering role focused on developing low-latency, high-throughput distributed systems responsible for order execution, booking, valuation, and real-time risk management across multiple trading products.

The environment is highly technical, fast-paced, and engineering-driven, with strong ownership and direct business impact.

The role:

• Design and develop low-latency backend trading systems

• Build high-throughput distributed systems using asynchronous event-driven architectures

• Deliver new functionality across OTC trading, institutional trading, and electronic execution platforms

• Optimise performance, scalability, and resilience across business-critical systems

• Work closely with engineers and stakeholders to deliver trading functionality at scale

• Contribute to architecture, performance engineering, and continuous improvement initiatives

Requirements:

• Strong core Java engineering background

• Experience building distributed, low-latency, or high-throughput systems

• Strong understanding of concurrency, system design, and backend architecture

• Experience with performance testing and optimisation

• Experience with messaging technologies such as Kafka or AMQ

• Exposure to financial systems, trading platforms, or electronic trading environments preferred

• Experience with modern engineering practices including CI/CD, TDD, and DevOps tooling

Strong opportunity for engineers looking to work on highly scalable trading infrastructure within a modern engineering environment.

Contact Ciara Clarke at Harrington Starr for a confidential discussion on this role.