Worked on the doctrine/DoctrineFixturesBundle repository to modernize its configuration management by migrating service definitions from XML to PHP. This effort involved introducing a dedicated PHP configuration file and updating the extension to use a PHP file loader, which brought the bundle in line with current Symfony best practices. The migration reduced configuration complexity and made future enhancements more straightforward. Leveraging skills in PHP, Symfony, and dependency injection, the developer focused on maintainability and consistency across the codebase. The work was delivered through two well-reviewed commits, reflecting a methodical approach to aligning the project with evolving configuration standards in the Symfony ecosystem.