Java Quant Developer

About the role

A leading global financial services firm is looking for a Java Quant Developer to join its engineering team. The role focuses on building and modernising critical financial systems, developing new cloud-native services, and contributing to a wider migration towards AWS. You will work closely with front-office stakeholders while taking ownership across the full software lifecycle.

Responsibilities

• Design, build, and maintain scalable Java microservices using modern frameworks.
• Develop new functionality and enhance existing systems with clean, maintainable, and well-tested code.
• Apply TDD, CI/CD, and strong engineering practices.
• Build containerised, cloud-ready services as part of ongoing cloud migration initiatives.
• Work with AWS services including Lambda, EKS, RDS, S3, and MSK.
• Improve system observability through metrics, tracing, and logging.
• Use modern AI development tools, LLMs, and coding assistants to improve development and testing efficiency.
• Identify opportunities for intelligent automation across development and operational processes.
• Work directly with traders, portfolio managers, and operations teams.
• Understand financial workflows and translate requirements into robust technical solutions.
• Take ownership across the full software development lifecycle, from design through to production.

Requirements

• 3–10 years of commercial experience with Java and back-end development.
• Experience with microservices, REST APIs, and event-driven architectures.
• Some exposure to AWS or cloud-native engineering.
• Interest or experience using AI tools to improve engineering productivity.
• Strong problem-solving skills and willingness to learn.
• Comfortable working closely with business and front-office stakeholders.
• Strong communication and collaboration skills.