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Java Developer - Low Latency
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Java Developer - Low Latency
Senior / Lead Java Engineer
A leading global financial markets infrastructure and data organisation
We're seeking a Senior / Lead Java Engineer to join a high-performing technology team delivering business-critical trading and market infrastructure solutions. As the backplane for global financial markets, our organisation prioritises cutting-edge engineering, cloud adoption, platform transformation, and low-latency technology—offering you the chance to contribute to scalable systems at scale.
Your Role
This is a key technical leadership opportunity where you’ll:
- Partner with a high-performance engineering team to design, build, and evolve low-latency, high-throughput trading systems used in front-office environments.
- Drive strategic projects, including:
- Modernising and optimising electronic trading platforms.
- Developing real-time processing systems.
- Large-scale platform modernisation initiatives.
- Collaborate closely with traders, quant analysts, and business stakeholders, translating business needs into scalable technical solutions.
- Lead performance optimisation, microservices adoption, and migration of legacy systems to cloud-native architectures.
- Champion technological best practices in concurrency, multithreading, and distributed systems.
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What You’ll Need
We’re looking for a Java architect with deep expertise in:
Technical Essentials
- Proven 10+ years of core Java development (Java 8+), with experience in Java 11/17/21.
- Low-latency/high-performance real-time systems experience.
- In-depth Spring Boot back-end expertise.
- Strong grasp of distributed systems and microservices architecture.
- Hands-on experience with concurrency, multithreading, and performance tuning.
- Familiarity with event-driven architectures (Kafka, Aeron, or LMAX Disruptor) is a plus.
Domain & Systems Knowledge
- Experience in electronic trading platforms, pricing engines, RFQ systems, or similar financial infrastructure.
- Knowledge of order routing, market data pipelines, and trading execution mechanisms.
- Motivation to modernise legacy financial systems and align with cloud-native transformations.
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Stakeholder & Leadership
- Ability to engage directly with front-office teams, translating business requirements into technical deliverables.
- React or full-stack background could be advantageous.
- Bonus points for experience with C++ (though not strictly required).
What You’ll Gain
- Exposure to cutting-edge financial infrastructure technologies.
- Hybrid working flexibility aligned with global finance operations.
If this opportunity aligns with your expertise, apply via [CV]/ phone call. Flexible to discuss any other roles or career aspirations via direct contact with our recruiters.*
This position is presented by Hays Specialist Recruitment Limited as an act of employment agency and on assignment for temporary roles. Review terms & privacy policies: hays.co.uk.
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