Java Developer - Low Latency - eTrading

Low Latency Java Developer

London (Hybrid)

Contract

Outside IR35 ~£800-£1,000 (potential flex for top candidates)

Source Technology have multiple high-performance Java developer roles available on projects at a tier one investment bank across FX and Cash Equities.

What You’ll Do:

• Develop and optimise ultra-low latency, high-throughput trading systems.
• Collaborate with traders, quants, and technology teams to enhance execution performance.
• Build solutions for trade monitoring, reconciliation, and recovery.
• Implement automated testing and CI/CD best practices.

What We’re Looking For:

• 10+ years\’ experience in low-latency Java (Java 11+) development.
• Expertise in JVM tuning, asynchronous programming, and high-performance messaging.
• Strong understanding of exchange connectivity, market data feeds, and FIX protocol.
• Experience in cash equities trading systems is highly desirable.
• Exposure to LMAX Disruptor, Chronicle Queue, Aeron, Kafka, or FIX engines is a plus.

This is a remote-friendly role with up to a maximum of 2 days in the office per week, but flexible.

If you\’re an experienced Java Developer who has worked on low-latency trading systems, ideally within the equities or FX space, interested in a new role outside IR35 apply now, and I\’ll be in touch ASAP!