Kush Thapar worked on the Azure/azure-sdk-for-rust repository, focusing on realigning code ownership for the Cosmos SDK Rust components. He updated the CODEOWNERS file to assign the azure-cosmos-rust-sdk team as the primary code owner and reviewer for the /sdk/cosmos/ directory, streamlining the code review process and clarifying accountability. This change improved governance alignment and enabled faster pull request triage without introducing new bugs, maintaining repository stability. Kush applied skills in DevOps, repository governance, and cross-team collaboration, leveraging tools such as Git and CODEOWNERS management. The work addressed process efficiency and ownership clarity rather than direct feature development.