Senior Back-end Java Developer (Spring Boot, Microservices)

We are seeking a Senior Java Developer (Spring Boot, Microservices) in Singapore. You will build and support Java 21 microservices for banking platforms, shaping API design, resilience and secure coding. Join a cross-functional Agile team where quality gates and automation are part of how you ship.

Responsibilities

• Design and build Java 21 microservices using Spring Boot
• Deliver REST APIs and integrations with internal and external systems
• Drive service and API design, data modeling and technical decisions
• Implement resilience patterns, validation, security and transaction handling
• Build persistence layers using Spring Data JPA and Hibernate
• Create unit and integration tests and improve test coverage
• Improve code quality using automated checks and peer reviews
• Partner with DevOps to deploy and support services on OpenShift

Requirements

• Java 21 expertise including recent long-term support versions (Java twenty-one on this project)
• Spring Boot capability across the Spring Framework ecosystem
• Microservices architecture knowledge including distributed systems fundamentals
• REST API development experience including integration design
• Spring Data and Spring Data JPA skill sets for persistence
• Hibernate or equivalent Object-Relational Mapping (ORM) experience
• SQL proficiency with a relational database such as Oracle, MySQL, MariaDB or PostgreSQL
• Containers exposure with OpenShift or Kubernetes plus Git and build tooling (Maven or Gradle)

Nice to have

• Spring Cloud, Apache Kafka or RabbitMQ
• Observability tools such as OpenSearch, Elastic Stack, Grafana or AppDynamics
• Banking or financial services domain exposure