Senior Full-Stack Java/J2EE Engineer

upscale; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

upscale is seeking an experienced Java/J2EE developer in Kuala Lumpur to design, implement, and test backend systems. The role requires strong OOP, microservices experience, and proficiency with SQL databases such as MySQL and PostgreSQL. You will work on API design and integration, rely on Git for version control, and operate in a Linux-based environment.

Excellent communication skills are essential. Candidates should have 5+ years of relevant work experience and a solid understanding of web

Qualifications

• Strong with Java/J2EE, OOP and relational database (RDMS).
• Familiar in Java JSP, JavaScript, HTML, microservices, distributed message-based applications, multi-threaded applications, sockets programming (TCP & UDP).
• Design, code and unit test the applications and frameworks.
• Proper experience with web development process, from A to Z.
• Experience in version control such as GIT.
• Good & comfortable in Linux Server, Application Server & Web Server.
• Knowledge of backends developing & consuming API such REST is required.
• Have knowledge in SQL using MySQL and PostgreSQL database.
• Additional Advantage: Familiarity with Spring Framework, MQ, Redis.
• Document applications for technical white papers, user guides and operations guide.
• Excellence verbal and written communication skills.
• Minimum with 5 years or above of relevant work experience.

Skills

Java/J2EE

OOP

REST APIs

JavaScript

HTML

Microservices

Distributed messaging

Multi-threaded programming

Sockets (TCP/UDP)

Design and unit testing

Web development process

SQL programming

Communication

Education

Bachelor's degree in Computer Science or Computer Engineering

Tools

GIT

Linux server

Application server

Web server

MySQL

PostgreSQL

Spring Framework

MQ

Redis

Job description

upscale is seeking an experienced Java/J2EE developer in Kuala Lumpur to design, implement, and test backend systems. The role requires strong OOP, microservices experience, and proficiency with SQL databases such as MySQL and PostgreSQL. You will work on API design and integration, rely on Git for version control, and operate in a Linux-based environment.

Excellent communication skills are essential. Candidates should have 5+ years of relevant work experience and a solid understanding of web