Worked on the Shopify/nixpkgs repository to improve the stability and correctness of the Corectrl package build by addressing a critical configuration issue. Focused on package management using Nix, the developer identified and fixed a typo in the environment variable name within the package.nix file, changing qrWrapperArgs to qtWrapperArgs to ensure proper build-time configuration. The solution was validated through both local and CI build checks, demonstrating attention to reliability and traceability. By maintaining a clear commit history and thorough validation process, the work reduced the risk of downstream build failures and enhanced the robustness of the package management workflow.