Java Lead

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

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.

Must have

• 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.

Good to have

• Docker, Kubernetes, and AWS or Azure.
• Kafka or other messaging tools.
• TypeScript, and testing with JUnit, Jest or React Testing Library.
• Domain exposure to banking, financial services or insurance.