Full-Stack Java Engineer: Spring & React Expert

User Experience Researchers Pte Ltd; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

User Experience Researchers Pte Ltd in Kuala Lumpur is seeking a skilled full-stack developer to drive backend and frontend development. You will work on Java-based RESTful microservices with Spring, and build React-based interfaces using Next.js and TypeScript.

Strong collaboration with teams and focus on performance, testing, and security are essential. Proficiency in PostgreSQL/Oracle, Git, and CI/CD pipelines is required, along with experience in OAuth2/OIDC/SAML implementations.

Qualifications

• Expert in Java with Spring Boot, Spring MVC and Spring JPA for REST API and microservices development.
• Proficient in React, Next.js, TypeScript, JavaScript, HTML and CSS.
• Experience with PostgreSQL/Oracle, Git and CI/CD (GitHub Actions).
• Familiar with Redux/Zustand, automated testing (Jest, React Testing Library, Playwright/Cypress) and performance optimization.
• Strong understanding of system design, frontend architecture, code review, debugging and refactoring.
• Experience implementing OAuth2, OIDC, SAML, or CIAM solutions.
• Strong analytical, problem-solving and communication skills.
• Experience with GitHub Copilot or AI-assisted dev tools.

Responsibilities

• Deliver the assigned development tasks as per the requirements.
• Collaborate across backend and frontend teams to ensure robust architecture and quality.

Skills

Java Spring

REST APIs

Microservices

React

TypeScript

JavaScript

HTML/CSS

PostgreSQL/Oracle

Git & CI/CD

Jest/RTL/Playwright

OAuth2/OIDC/SAML

GitHub Copilot

AI-assisted tools

Docker/Kubernetes/Azure

Tools

Docker

Kubernetes

Azure Cloud

Module Federation

Security scanning tools

i18n / multi-language support

Job description

User Experience Researchers Pte Ltd in Kuala Lumpur is seeking a skilled full-stack developer to drive backend and frontend development. You will work on Java-based RESTful microservices with Spring, and build React-based interfaces using Next.js and TypeScript.

Strong collaboration with teams and focus on performance, testing, and security are essential. Proficiency in PostgreSQL/Oracle, Git, and CI/CD pipelines is required, along with experience in OAuth2/OIDC/SAML implementations.