Worked on restructuring and enhancing maintainability for the langgenius/dify application by refactoring the app factory logic into a dedicated module and increasing integration test coverage for controller logic. This approach improved code organization and enabled earlier detection of regressions, leveraging Python, Flask, and testing best practices. Later, contributed to opendevstack/ods-jenkins-shared-library by implementing a flexible AWS ECR deployment strategy using Groovy and Jenkins, allowing container images to be pushed directly to ECR without requiring an EKS cluster. This change reduced cluster dependencies, supported non-cluster deployment targets like AWS Lambda, and maintained backward compatibility with existing CI/CD pipelines.