During October 2024, Kevin Cao enhanced the EC2 Role Provider within the aws/amazon-ssm-agent repository by implementing improved AWS error reporting. He developed a new Go function to extract detailed AWS error information, refining error handling and diagnostics for instance profile retrieval. This backend development work focused on making error messages more concise and actionable, which aids in faster troubleshooting and more reliable EC2 operations. Kevin also reduced the verbosity of IMDS error logs, improving their clarity for operational teams. His contributions demonstrated a solid grasp of backend engineering, error handling, and testing, with a targeted impact on operational efficiency.