- Introduced integration layer design with Resilience4j for external vendor calls.
- Established API design standards with unified response structures and global exception handling.
- Defined configuration and service governance using Kubernetes native solutions.
- Implemented observability practices including trace ID propagation and structured logging.
- Outlined build and multi-environment deployment strategies using Gradle and GitLab CI/CD.
- Specified testing strategies across different layers, utilizing JUnit, MockK, Testcontainers, and WireMock.
