Java Developer - Low Latency

Your New CompanyA leading global financial markets infrastructure and data organisation is seeking a Senior / Lead Java Engineer to join a high-performing technology team delivering business-critical trading and market infrastructure solutions. Operating at the heart of global financial markets, the organisation invests heavily in modern engineering practices, cloud adoption, platform transformation, and low-latency technology, offering engineers the opportunity to work on complex systems at scale.

Your New Role
As a Senior / Lead Java Engineer, you will join a high-performing engineering team responsible for building and enhancing low-latency, high-throughput trading systems used within a front-office environment. You'll work on strategic initiatives including electronic trading platforms, real-time processing systems, and large-scale platform modernisation projects.
This is an opportunity to work closely with traders, quants, and business stakeholders while designing and delivering robust, scalable solutions using modern Java technologies. You'll play a key role in driving performance optimisation, microservices adoption, and the migration of legacy applications to modern architectures.
What You'll Need to Succeed

• Strong Core Java development experience (Java 8+) with exposure to Java 11, 17, or 21.
• Proven experience developing low-latency, high-performance, or real-time systems.
• Excellent Spring Boot and backend engineering expertise.
• Strong understanding of distributed systems and microservices architecture.
• Experience with concurrency, multithreading, and performance tuning.
• Background in electronic trading, capital markets, or other real-time financial systems.
• Experience working on trading platforms, pricing, RFQ, execution, order routing, market data, or similar systems.
• Knowledge of event-driven architectures and technologies such as Kafka, Aeron, or LMAX Disruptor is highly desirable.
• Experience modernising legacy platforms and contributing to cloud-native transformations.
• Ability to engage with front-office stakeholders and translate business requirements into technical solutions.
• React or broader full-stack experience would be advantageous.
• C++ knowledge is beneficial but not essential.

What you'll get in return

• Access to market leading technologies
• Hybrid working arrangements

What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

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