Job description for Backend Engineer at PT Shell Infotek Indonesia (Shell Infotech)
🚀 We’re Hiring: Backend Engineer
📍 Location: [Tangerang Kota / Full WFO]
💼 Employment Type: [Contract]
Note : Bisa join ASAP atas 2 weeks notice.
📌 Requirements:
- Bachelor's degree in Computer Science, Information Technology, or a related field.
- 4+ years of experience in backend development with Java & Spring Boot
- Strong mastery of Java 21+ and Spring Boot 4
- Strong experience with PostgreSQL, including schema design, query optimization, indexing, and connection pooling (PgBouncer, HikariCP).
- Production experience with Redis and Kafka.
- Experience with WebSocket or other long-lived-connection systems at scale.
- Strong understanding of concurrency, idempotency, distributed locking, and consistency trade-offs in microservices.
- Experience with Spring Security, OAuth2/JWT, RBAC or ABAC.
- Experience with Docker, Kubernetes/ECS, CI/CD, AWS or GCP.
- Experience with JUnit, Testcontainers, and integration testing.
- Ability to troubleshoot production issues such as memory leaks, slow queries, thread contention, and slow downstream dependencies.
- Familiar with Git workflows, including branching, PR reviews, and conflict resolution.
- Proven experience delivering production-grade and scalable applications.
