- Implement end-to-end Spring Boot microservices, including dependency injection, controller/repository separation, exception handling, and request lifecycle management.

- Write and optimize complex SQL queries in Oracle, including joins, subqueries, indexes, and performance tuning for large datasets (10M+ rows).

- Develop REST endpoints following HTTP standards, proper status codes, error schemas, and security headers (CORS, auth tokens).

- Write unit and integration tests using JUnit 5 and Mockito, ensuring at least 70% test coverage and isolated testability.

- Configure and manage CI/CD pipelines using Jenkins and project builds via Gradle or Maven.

- Integrate structured logging using Log4j or SLF4J and trace/debug issues using correlation IDs.

- Use Git for version control, handling branching, merges, and conflict resolution, and leverage IntelliJ IDEA for debugging, stack trace analysis, and thread dump navigation.

- Collaborate with cross-functional teams in Agile environments using Jira and Confluence, participating in sprint planning, backlog grooming, and documentation.

Must-Have Skills :

- Hands-on development experience in Java 11/17 for REST APIs and backend services.

- End-to-end Spring Boot microservice development experience, including dependency injection, controller/repository layers, and exception handling.

- Strong Oracle SQL expertise with query optimization for large datasets.

- Proven experience in REST API design, implementation, and versioning with proper error handling and security headers.

- Unit and integration testing experience using JUnit 5 and Mockito.

- CI/CD pipeline configuration and management with Jenkins, Gradle, or Maven.

- Structured logging and debugging using Log4j/SLF4J and IntelliJ IDEA.

- Git version control fluency, including branching, merging, and conflict resolution.

- Strong collaboration skills in Agile environments.

Nice-to-Have Skills :

- Familiarity with monitoring tools like Splunk or ELK for log analysis and performance tracking.