Java Full Stack Developer

Rapsys Technologies Pte Ltd.; Singapore; On-site; SGD 100,000 - 145,000; Full time

Job summary

Rapsys Technologies Pte Ltd in Singapore is seeking a Java Full Stack Developer to design and implement scalable web applications using Java and modern frameworks. You will collaborate with cross-functional teams to deliver features end-to-end and help optimize performance.

You will write clean, maintainable code, mentor junior developers, and contribute to REST APIs and front-end integration using Angular or React.

Qualifications

• Proven experience building scalable Java web applications.
• Experience with Spring Framework and microservices.
• Strong collaboration and communication skills.
• Familiarity with DevOps and CI/CD practices.

Responsibilities

• Design and develop scalable web applications using Java and modern frameworks.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Troubleshoot and optimize application performance.
• Integrate user-facing elements with server-side logic.
• Write clean, maintainable code following best practices.
• Mentor junior developers and provide technical guidance.

Skills

Java 17+

Spring Boot

REST APIs

Angular/React

HTML/CSS/JavaScript

Docker/Kubernetes

SQL/NoSQL

Microservices

Tools

Docker

Kubernetes

Azure/AWS

Git

CI/CD

Hibernate/JPA

Maven/Gradle

JUnit/Mockito

Job description

We're Hiring: Java Full Stack Developer!

Location: Singapore, Singapore
Work Mode: Work from Office
Role: Java Full Stack Developer

What You'll Do:

• Design and develop scalable web applications using Java and modern frameworks.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Troubleshoot and optimize application performance.
• Integrate user-facing elements with server-side logic.
• Write clean, maintainable code following best practices.
• Mentor junior developers and provide technical guidance.

What We're Looking For:

• Key Skills: Java 17+, Spring Boot, Spring MVC, Spring SecurityMicroservices architecture, REST APIsReact or Angular (preferred), HTML5, CSS3, JavaScript/TypeScriptHibernate/JPA, Maven/GradleSQL (Oracle, PostgreSQL, MySQL) and NoSQL (MongoDB preferred)Kafka/RabbitMQ (messaging)Docker, KubernetesAzure/AWS, Azure DevOps/GitHub, CI/CDPerformance tuning, debugging, unit testing (JUnit/Mockito), and secure codingAgile/Scrum, code reviews, technical mentoring, and strong communication skills