Backend Engineer (Java/Spring boot)

PT Rsystems Ibizcs International; Tangerang; On-site; IDR 180,000,000 - 300,000,000; Full time

Job summary

PT R Systems Ibizcs International is seeking a skilled Backend Developer with 4+ years of experience to join our team in Indonesia. You will design and implement backend services using Java and Spring Boot, work with PostgreSQL, Kafka/Redis, and build scalable microservices in a distributed systems environment.

Familiarity with Docker, Kubernetes/ECS, CI/CD, and cloud platforms (AWS/GCP) is preferred. Immediate joiner is a plus; strong problem-solving skills and production issue troubleshooting

Qualifications

• Bachelor's degree in Computer Science, IT, or related field.
• 4+ years of experience in Backend Development.
• Strong experience with Java and Spring Boot.
• Good knowledge of PostgreSQL and database design.
• Hands-on experience with Kafka and/or Redis.
• Experience building microservices, event-driven, or scalable applications.
• Familiar with Docker, Kubernetes/ECS, CI/CD, and AWS/GCP.
• Good understanding of distributed systems, concurrency, and security.
• Experience with JUnit and integration testing.
• Good problem-solving skills and ability to troubleshoot production issues.
• Immediate joiner is a plus.

Skills

Java

Spring Boot

Microservices

Distributed systems

Problem-solving

Education

Bachelor's degree in Computer Science

Tools

Docker

Kubernetes/ECS

CI/CD

AWS/GCP

PostgreSQL

Kafka

Redis

Job description

Bachelor's degree in Computer Science, IT, or related field.

4+ years of experience in Backend Development.

Strong experience with Java & Spring Boot.

Good knowledge of PostgreSQL and database design.

Hands-on experience with Kafka and/or Redis.

Experience building microservices, event-driven, or scalable applications.

Familiar with Docker, Kubernetes/ECS, CI/CD, and AWS/GCP.

Good understanding of distributed systems, concurrency, and security.

Experience with JUnit and integration testing.

Good problem-solving skills and experience troubleshooting production issues.

Immediate joiner is a plus

Nice to Have

Experience with WhatsApp Business / Cloud API or BSPs.

Experience with MongoDB.

Experience with WebSocket, SIP/WebRTC, or real-time messaging.

Experience with chatbot / AI integration.

Experience in contact center, customer service, live chat, or omnichannel platforms.

PT R Systems Ibizcs International is a member of R Systems group a global digital transformation leader that provides AI-driven solutions to clients across industries, through a broad range of technology & AI/analytics services. We continue to empower organizations for over 27+ years, with 16 delivery centers, 25+ offices worldwide, and a workforce of 2750+ professionals.

PT R Systems Ibizcs International is a member of R Systems group a global digital transformation leader that provides AI-driven solutions to clients across industries, through a broad range of technology & AI/analytics services. We continue to empower organizations for over 27+ years, with 16 delivery centers, 25+ offices worldwide, and a workforce of 2750+ professionals.