Java Developer - Low Latency - eTrading

JR United Kingdom; London; Hybrid; GBP 125,000 - 150,000; Full time

Job summary

A leading company in the financial sector is seeking a Low Latency Java Developer to work on high-performance trading systems. This hybrid role requires extensive experience in Java development and offers a competitive contract outside IR35. Join a dynamic team focused on enhancing execution performance in trading.

Qualifications

• 10+ years' experience in low-latency Java development.
• Strong understanding of exchange connectivity and market data feeds.

Responsibilities

• Develop and optimise ultra-low latency trading systems.
• Collaborate with traders and technology teams to enhance performance.
• Implement automated testing and CI/CD best practices.

Skills

Low Latency Java

Asynchronous Programming

JVM Tuning

High-Performance Messaging

Tools

Kafka

LMAX Disruptor

Chronicle Queue

Aeron

FIX Engines

Job description

Social network you want to login/join with:

Java Developer - Low Latency - eTrading, london

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Client:

Source Technology

Location:

london, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

6

Posted:

12.05.2025

Expiry Date:

26.06.2025

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Job Description:

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!