Java Developer
Key points
- 16/06/25
- London, City of London
- £500 - 550 per day
- Contract
- Software Engineering
- Full time
Job role
Senior Software Engineer – Low-Latency Trading Systems
Location: Remote (UK)
Day Rate: Up to £550p/d (Inside IR35)
Contract Length: 6 months
Clearance Required: BPSS
We’re looking for two Senior Software Engineers to join a high-performance team working on the evolution of an existing low-latency FX trading system for a major financial services organisation. This is a greenfield opportunity to modernise and optimise critical trading infrastructure used globally.
The Role
As a Senior Software Engineer, you will:
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Contribute to architectural evolution and feature development of a high-performance FX Matching Host system.
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Work within a blended client-vendor team focused on performance, resilience, and code quality.
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Engage in continuous improvement of system architecture and engineering practices.
You should bring:
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5+ years of experience building complex, low-latency systems in Java for top-tier institutions
OR
2+ years of Java experience plus 5+ years developing low-latency trading systems in C++ or a comparable language. -
Strong grasp of performance optimisation, fault tolerance, and scalable software design.
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Proven experience in high-throughput financial environments.
Nice to Have
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Prior experience working on FX Matching platforms.
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Familiarity with SQL, PL/SQL, and Gradle.
