Java Software Engineer
Summary
Backend Java engineer at IT services firm HCLTech in Kuala Lumpur: build RESTful microservices with Java 8+/Spring Boot, secure them with Spring Security (OAuth2/JWT), work with JPA/Hibernate and SQL, and deploy via Docker/Kubernetes with CI/CD, testing, performance tuning, and documentation in an Agile team.
Responsibilities
- Backend Development: Build RESTful microservices with Java 8+ & Spring Boot; implement business logic and API contracts.
- Need to have expereince in modern technologies, such as Struts, PL/SQL, Java 8, Spring Boot, Microservices, and various migration-related concepts.
- Security: Implement authentication/authorization using Spring Security (OAuth2/JWT), follow secure coding standards.
- Data Layer: Design schemas, write optimized SQL; work with JPA/Hibernate and performance tuning.
- Containerization & Orchestration: Package apps with Docker and deploy/manage on Kubernetes (readiness/liveness, config, secrets).
- Performance: Profile and optimize services; apply caching strategies (e.g., Redis), connection pooling, and JVM/GC tuning.
- Testing: Write unit & integration tests (JUnit, Mockito); support API contract testing and test automation in pipelines.
- CI/CD: Collaborate with DevOps to automate build/test/deploy (e.g., Jenkins/GitLab/GitHub Actions).
- Observability: Implement logging, metrics, tracing; contribute to incident troubleshooting and root‑cause analysis.
- Documentation: Produce and maintain technical design docs, API specs, and deployment/runbooks.
- Ways of Working: Participate in Agile ceremonies; mentor juniors and uphold code review and quality standards.
Skills Required (Must‑Have):
- Spring Boot, Spring Security, Microservices REST, OpenAPI/Swagger.
- CI/CD (Jenkins/GitLab/GitHub Actions) and Git.
- Testing with JUnit/Mockito; strong troubleshooting & documentation.