Java API DeveloperRole OverviewYou will be responsible for building and maintaining high-quality APIs and microservices that enable critical banking applications and digital channels. Working closely with architects, front-end engineers, and platform teams, you will contribute to resilient, cloud-ready solutions aligned to enterprise standards, security controls, and performance expectations.
Key Responsibilities
Design, develop, and support Java-based REST APIs and microservices
Build scalable services using Spring / Spring Boot and contemporary Java (8+) features
Collaborate with frontend and integration teams to enable seamless system communication
Contribute to API documentation, security, and performance optimisation
Participate in Agile delivery, code reviews,



and continuous improvement initiatives
Skills & Experience
Solid experience with Java, Spring, and Spring Boot in enterprise settings
Hands-on experience building RESTful APIs and microservices
Experience with API testing and documentation tools (Postman, Swagger/OpenAPI)
Solid understanding of SQL and NoSQL databases (e.g. MySQL, MongoDB)
Exposure to cloud-native and containerised environments (Docker, Kubernetes)
CI/CD experience using tools such as Git, Jenkins, or similar
Front-end exposure (React, JavaScript, Node.js) is advantageous but not essential
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📌 Java Api Developer Sydney
🏢 Hays
📍 Sydney