Roopert enhanced license compliance for the clangenb/polkadot-sdk repository by developing a license scanning feature that improves the correlation between source files and their Cargo manifests. He refactored file traversal logic from shell globbing to directory walking, ensuring more accurate mapping of files to their declared licenses. Using Rust and YAML, Roopert updated the scanning process to recognize MIT-0 and Unlicense as permitted licenses, and aligned license headers in source files with those specified in Cargo manifests. This work reduced the risk of license non-compliance and improved audit readiness, demonstrating depth in CI/CD, file system operations, and license management.