Worked on the canonical/snapcraft repository to enhance build pipeline stability by addressing a critical configuration validation issue. Developed a Python-based solution that validates snapcraft.yaml files, ensuring they are non-empty dictionaries and preventing runtime failures caused by empty or invalid YAML content. Employed defensive programming techniques and test-driven development, adding comprehensive unit tests to cover edge cases and improve overall reliability. Leveraged configuration management expertise to harden input validation, while collaborating efficiently through Git workflows. This work improved traceability by linking changes to specific issues and commits, and contributed to more robust and maintainable build processes within the Snapcraft project.