Java Backend Developer – Spring Boot & Microservices

Kop. Nusantara in Jakarta Selatan is seeking a backend engineer to develop and maintain scalable Java services using Spring Boot. You will build RESTful APIs with security and robust validation, monitor production systems via ELK, and optimize database performance.

The role includes migrating Java versions, implementing Redis caching, and working with RabbitMQ/Kafka for messaging. Collaboration with cross-functional teams is essential to deliver reliable fintech-grade systems.