1. Define REST API endpoints using `@RestController` and `@RequestMapping`.
2. Implement data access using Spring Data JPA and the Repository pattern.
3. Create service layer with `@Service` and `@Transactional` for business logic.
4. Define DTOs (Data Transfer Objects) for request and response payloads with validation.
5. Implement global exception handling using `@ControllerAdvice`.
6. Add caching using `@Cacheable` and `@CacheEvict` annotations.
7. Implement asynchronous processing using `@Async` annotation.
8. Add logging using SLF4J.