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Java Full Stack Developer
Islandwide, Singapore
Contract, Full TimeInformation TechnologyJob Description
Key Responsibilities
- Design and develop responsive UI frameworks and reusable web components using HTML5, JavaScript and CSS3.
- Develop microservices and APIs using Java, Spring Boot, REST, GraphQL and Reactive principles.
- Build extensible frontend frameworks and reusable components for business applications.
- Work with QA to develop UI automation tests.
- Troubleshoot and resolve frontend and backend issues.
- Collaborate with IT teams in an Agile environment.
- Develop high-quality code within deadlines and maintain technical documentation.
Primary Requirements
- Minimum 3 years of relevant experience.
- Experience with Java, Java State Machine, Hibernate and PostgreSQL.
- Strong JavaScript fundamentals including closures and prototypes.
- Frontend experience with Angular, Web Components, Vue, Polymer or ReactJS.
- Backend experience with Spring, Spring Boot, NodeJS or Express.
- Experience with Redux and TypeScript or other type-safe JavaScript.
- Frontend automation testing experience.
- Experience with HTML, CSS, JavaScript and libraries such as ExtJS, KnockoutJS or JQuery.
- Experience with Git/SVN and binary repository tools such as JFrog Artifactory/Nexus.
- Familiarity with JIRA, Confluence and Bitbucket.
- Experience with Java web services, Apache CXF, REST, XML, JSON and WSDL.
- Experience with Oracle/H2/HSQLDB, SQL and PL/SQL, including hierarchical queries.
About Rapsys Technologies Pte. Ltd.
First seen: October 1, 2026
Last updated: October 3, 2026