Sahil Bhatt upgraded the macOS CI infrastructure in the microsoft/azure-pipelines-agent repository, focusing on reliability and accurate task completion reporting across x64 and ARM64 environments. He refactored resource monitoring and process management using C# and TypeScript, enhancing tracing and error handling to ensure robust build automation. In the microsoft/azure-pipelines-tasks repository, Sahil delivered a major Gradle task update, streamlining configuration files and removing redundant code to reduce maintenance overhead. His work improved CI reliability, accelerated developer feedback, and clarified repository ownership, demonstrating depth in cross-platform development, CI/CD pipeline optimization, and codebase governance within the Azure DevOps ecosystem.