Worked on the GoogleCloudPlatform/gcsfuse repository to enhance the resilience of its storage utility by implementing automatic retry logic for gRPC UNAUTHENTICATED errors. This feature addressed transient OAuth token issues that could disrupt storage operations during token refresh windows. The solution involved integrating robust error handling and authentication mechanisms using Go, with a focus on cloud storage reliability. Comprehensive automated tests were added to validate the retry behavior across various OAuth token refresh scenarios, ensuring consistent operation. This work improved the end-to-end durability of storage processes and contributed to a stability-focused release, demonstrating practical application of gRPC and testing skills.