Hannah Sogawa worked on the microsoft/moc-sdk-for-go repository, focusing on improving the virtual machine deletion flow. She simplified the deletion logic by removing a redundant existence pre-check, allowing the underlying cloud service to handle non-existent resources directly. This change reduced potential race conditions and improved both throughput and user-perceived consistency during VM deletions. Her work enhanced the reliability and maintainability of the SDK while preserving its API semantics. Hannah applied her expertise in Go development, SDK development, and cloud computing to address a subtle reliability issue, demonstrating a thoughtful approach to backend engineering within a complex cloud infrastructure context.