Java Developer

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 :

Contribute to architectural evolution and feature development of a high-performance FX Matching Host system.

Work within a blended client-vendor team focused on performance, resilience, and code quality.

Engage in continuous improvement of system architecture and engineering practices.

You should bring :

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.

Proven experience in h...