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Java Full Stack Developer

Islandwide, Singapore
Contract, Full TimeInformation Technology

Job 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