Edbert Linardi refactored the Raw Service within the Snowflake-Labs/sansshell repository, focusing on modularizing the raw client into reusable functions and exporting utilities to promote cross-service reuse. By introducing explicit error types such as errFailedToDecode, Edbert enhanced error handling, enabling more precise diagnosis and robust failure modes. This work, implemented in Go and leveraging technologies like Protocol Buffers and gRPC, improved the maintainability and testability of the codebase. The foundational changes set the stage for faster feature delivery and reduced incident rates, demonstrating thoughtful engineering depth in code refactoring and error handling over the course of the project.