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Java HFT Developer

Haystack· London, England, United Kingdom
Posted 22 Sept 2026 · Added 22 Sept 2026, 06:58
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Free Tailor for ATS: 10/10 runs left

A world-leading quantitative trading firm, renowned for its innovative algorithmic strategies and cutting-edge technology, is seeking talented individuals to join their high-impact team. They operate at the forefront of financial markets, utilising advanced computing to drive market-making activities and deliver exceptional results.

The Role

Develop and operate a critical off-exchange trading system and associated products.

Maintain and extend a JVM-based networking platform to integrate with new trading venues and adapt to new asset classes.

Implement new cross-asset pricing features, directly impacting trading performance.

Contribute to a high-performance environment with a focus on concise, efficient code.

Work within one of the few Java teams in the high-frequency trading space.

What You'll Need

3+ years of professional experience in Java development.

Deep understanding of modern JVM internals, especially for performance optimisation.

Strong testing skills and appreciation for its importance in critical systems.

Proactive approach to managing multiple projects simultaneously.

Highly numerate with excellent problem-solving abilities.

What's On Offer

Highly competitive compensation package, including a significant bonus potential.

Flexible working arrangements, including work-from-home options.

A challenging environment with a truly flat structure, where ideas are encouraged and evaluated.

Direct impact on the company's PnL with minimal bureaucracy and a generous benefits package.

Apply via Haystack today!