Java Backend Engineer - Spring Boot & High-Scale Apps

Mitracomm Ekasarana; Jakarta Selatan; On-site; IDR 200,880,000 - 312,480,000; Full time

Job summary

Mitracomm Ekasarana in Jakarta Selatan is seeking a Java Developer to design, build, and maintain Java-based applications with a strong focus on performance and reliability. You will work on backend services using Spring Boot or Jetty, integrate with MySQL, PostgreSQL, and MSSQL, and participate in all phases of the software development lifecycle.

Strong debugging and problem-solving skills are essential. The ideal candidate has at least 2 years of experience, a diploma or degree in

Qualifications

• Minimum Diploma degree in Computer Science, Information Technology, Engineering, or a related field.
• Minimum 2 years of experience as a Java Developer.
• Hands-on experience in designing, developing, and maintaining Java-based applications.
• Strong understanding of Object-Oriented Programming (OOP) concepts and design patterns.
• Experience with Spring Boot and/or Jetty framework.
• Familiar with relational databases such as MySQL, PostgreSQL, and MSSQL.
• Good understanding of SQL queries, database design, and performance optimization.
• Experience in SMS Gateway and/or WhatsApp Business API (WABA) projects is a plus.

Responsibilities

• Develop, implement, and maintain Java-based applications and services using J2SE.
• Design and develop scalable, high-performance, and reliable applications.
• Build and integrate applications with databases including MySQL, PostgreSQL, and MSSQL.
• Develop and maintain backend services using Spring Boot and/or Jetty framework.
• Participate in all phases of the software development lifecycle, from analysis and design to testing and deployment.
• Troubleshoot, debug, and enhance existing applications.
• Collaborate with cross-functional teams to deliver business requirements and technical solutions.

Skills

Java development

Spring Boot

SQL / DB design

OOP & design patterns

Debugging & problem solving

SMS Gateway / WhatsApp API (WABA)

Education

Diploma / degree in CS/IT/Engineering

Job description

Mitracomm Ekasarana in Jakarta Selatan is seeking a Java Developer to design, build, and maintain Java-based applications with a strong focus on performance and reliability. You will work on backend services using Spring Boot or Jetty, integrate with MySQL, PostgreSQL, and MSSQL, and participate in all phases of the software development lifecycle.

Strong debugging and problem-solving skills are essential. The ideal candidate has at least 2 years of experience, a diploma or degree in