Senior Java Lead: Microservices & React Expert

U3 INFOTECH PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

U3 INFOTECH PTE. LTD. in Singapore is seeking an experienced Principal Java/Full-Stack Engineer to lead the design and delivery of Java microservices and REST APIs.

You will guide React front-end work, mentor developers, and oversee code quality across teams. Responsibilities include breaking down requirements, participating in sprint planning, and tracking delivery, while improving performance, security and scalability.

Qualifications

• 8+ years of relevant Java development experience, with some time leading or mentoring a team.
• Strong Java and Spring Boot, including Spring Security, JPA/Hibernate and REST API design.
• Hands-on React (hooks, Redux or similar, API integration) on real projects.
• Microservices experience, and SQL databases such as PostgreSQL, Oracle or MySQL.
• Git, CI/CD (Jenkins or similar), and Agile or Scrum delivery.

Responsibilities

• Lead the design and development of Java microservices and REST APIs.
• Build and guide React front-end work, including state management and reusable components.
• Run code reviews, set coding standards, and mentor developers.
• Break down requirements, contribute to estimation and sprint planning, and track delivery.
• Troubleshoot complex production issues and improve performance, security and scalability.
• Work with CI/CD, containers and cloud teams to release reliably.
• Coordinate with stakeholders and keep them updated on progress and risks.

Skills

Java

Spring Boot

Spring Security

JPA/Hibernate

REST API

React

Hooks

Redux

Tools

Git

Jenkins

CI/CD

Docker

Kubernetes

AWS

Azure

Job description

U3 INFOTECH PTE. LTD. in Singapore is seeking an experienced Principal Java/Full-Stack Engineer to lead the design and delivery of Java microservices and REST APIs.

You will guide React front-end work, mentor developers, and oversee code quality across teams. Responsibilities include breaking down requirements, participating in sprint planning, and tracking delivery, while improving performance, security and scalability.