Fullstack Developer (Java & React)
RAPSYS TECHNOLOGIES PTE. LTD. • singapore, singapore • Posted June 19, 2026
About the Role
Role: Fullstack Developer (Java & React)
Description:
Backend Java API
- Design develop and maintain RESTful APIs using Java (eg Spring Boot, Spring MVC)
- Implement business logic, data access layers and integrations with internal and external services
- Ensure API performance, scalability, security and reliability
- Write clean, maintainable and well-tested backend code, unit and integration tests
- Participate in API design reviews and contribute to technical architecture decisions
Frontend React
- Develop and maintain responsive web applications using React.js
- Consume REST APIs and manage application state effectively
- Build reusable UI components and ensure consistent user experience
- Collaborate with UX/UI designers to translate designs into functional interfaces
- Optimize frontend performance and browser compatibility