Jingwen Xie developed and enhanced CLI features for network device management in the microsoft/sonic-gnmi-dev and sonic-net/sonic-sairedis repositories, focusing on system observability and CI reliability. They implemented new show commands for chassis module status and system health, integrating with sonic-data-client to query both state and configuration databases. Using Go and YAML, Jingwen applied test-driven development to ensure robust coverage for various operational scenarios, including error handling and invalid queries. Their work also addressed CI pipeline stability by aligning YANG library dependencies, improving build automation and reducing test flakiness. The contributions demonstrated depth in DevOps and system programming practices.