Java Backend Engineer - Spring, Microservices, On-Site KL

Siroi Solutions Sdn Bhd; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

Siroi Solutions Sdn Bhd is seeking an experienced Java Developer to join our engineering team in Kuala Lumpur. You will design, build, and maintain robust backend systems using Core Java, Spring Boot, Spring Framework, and Hibernate, contributing to Smart City and government digital transformation projects.

This is a permanent, on-site role at our ITMAX office in Seri Petaling. You will work in an Agile/Scrum environment with business analysts, QA, DevOps, and project managers, delivering

Qualifications

• 5–6 years of hands-on Java development experience.
• Strong command of Core Java – OOP, Collections, Multithreading, and Java 8+ features.
• Experience with Spring Boot and Spring Framework (MVC, Security, Data JPA).
• Practical Hibernate/JPA ORM and database interaction.
• RESTful web services design/consumption; API security with OAuth2/JWT.
• Strong SQL skills with MySQL, PostgreSQL, or Oracle.
• Experience with microservices, build tools, and Git.
• Fluent English and Bahasa Malaysia.

Responsibilities

• Design, develop, test, and maintain scalable Java applications and microservices using Spring Boot.
• Build, document, and maintain secure RESTful APIs; integrate with government platforms.
• Design and implement data persistence with Hibernate/JPA; optimize queries.
• Participate in architecture discussions; propose scalable enterprise solutions.
• Collaborate with analysts, QA, DevOps, PMs in Agile/Scrum.
• Write clean, tested code and participate in peer reviews to ensure quality.
• Develop unit and integration tests; support CI/CD with DevOps.
• Troubleshoot, debug, and optimise performance, security, and reliability.
• Mentor junior developers and improve team coding practices.

Skills

Java

Spring Boot

Spring Framework

Hibernate/JPA

RESTful APIs

SQL

Maven/Gradle

Git

JUnit/Mockito

Microservices

English & Bahasa Malaysia

Education

Diploma/Degree in Computer Science/Software Engineering/IT

Tools

Maven

Gradle

Git

Tomcat

JBoss

WebLogic

JUnit

Mockito

Job description

Siroi Solutions Sdn Bhd is seeking an experienced Java Developer to join our engineering team in Kuala Lumpur. You will design, build, and maintain robust backend systems using Core Java, Spring Boot, Spring Framework, and Hibernate, contributing to Smart City and government digital transformation projects.

This is a permanent, on-site role at our ITMAX office in Seri Petaling. You will work in an Agile/Scrum environment with business analysts, QA, DevOps, and project managers, delivering