Yutong Zhang developed automation and observability features across Azure/sonic-mgmt.msft and microsoft/sonic-gnmi-dev, focusing on CI/CD reliability and network interface diagnostics. In sonic-mgmt.msft, Yutong enhanced GitHub Actions workflows to automate pull request merging, cross-repository syncing, and code analysis, while improving failure notifications and stabilizing webhook integrations using Go and YAML. For sonic-gnmi-dev, Yutong delivered a CLI feature to query transceiver error status, implementing robust data structures, accurate path construction, and expanded test coverage in Go. The work emphasized maintainability and rapid issue diagnosis, demonstrating depth in backend development, network automation, and system programming within complex, production-scale codebases.