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Senior Java Low Latency Engineer

Oliverbernard — United Kingdom · Posted ~3 hours ago

Senior Contract Hybrid Visa History ✓

Skills

Java Low-latency systems Electronic trading Algorithmic trading Performance optimization Distributed systems Electronic Trading Systems Low Latency CI/CD

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Summary ✨ AI‑Generated

A senior engineering role focused on designing and optimizing mission-critical low-latency applications for electronic trading environments. The position requires strong Java expertise, system performance skills, and the ability to collaborate across technical teams.

Highlights

Opportunity to work on high-performance financial technology systems with strong focus on scalability, reliability, and engineering excellence. Includes collaboration with experienced technical and business teams.

Description

Senior Java Developer – Low Latency eTrading / Algo Trading Location: London (2 days per week onsite) Contract: 12 Months Rate: Up to £1,000 per day (Inside IR35) We're looking for an experienced Senior Java Developer to join a high-performing front-office engineering team building mission-critical, low-latency trading systems for a leading financial institution. This is an opportunity to work on sophisticated electronic trading platforms where performance, scalability, and reliability are paramount. Key Responsibilities Design and develop high-performance, low-latency Java applications for electronic trading.Build and enhance trading algorithms, execution platforms, and market connectivity.Optimise application performance through profiling, tuning, and latency reduction.Collaborate closely with traders, quants, and product teams to deliver business-critical functionality.Contribute to architecture decisions and drive engineering best practices.Mentor developers and champion high-quality software engineering. Required Experience Extensive commercial experience developing enterprise applications in Java.Proven experience building low-latency, high-throughput trading systems.Strong background in electronic trading (eTrading) and/or algorithmic trading.Excellent understanding of concurrency, multithreading, JVM performance tuning, and distributed systems.Experience working in front-office environments within investment banking, hedge funds, or electronic market-making firms.Strong knowledge of messaging technologies and market data architectures.Excellent communication skills with the ability to work closely with technical and business stakeholders. Desirable Skills Experience with FIX protocol and exchange connectivity.Knowledge of pricing, execution management, or order management systems.Experience with Linux, networking, and performance profiling tools.Exposure to cloud technologies and containerisation is advantageous. Contract Details 12-month initial contractUp to £1,000 per day (Inside IR35)Hybrid working – 2 days per week onsite in LondonImmediate interviews available.