Worked on backend robustness and code quality improvements across the neos-development-collection and neos/flow-development-collection repositories using PHP and PHPUnit. Addressed initialization reliability in the Content Repository by ensuring the ContentRepositoryFactory always receives a non-null commandHooksFactory, reducing the risk of null-pointer errors and improving production stability. Focused on code style and testing standards by normalizing NULL value representations in ReflectionServiceTest.php for StyleCI compliance, which streamlined continuous integration and enhanced test maintainability. Over two months, contributed targeted bug fixes rather than new features, demonstrating a detail-oriented approach to backend development, code style enforcement, and automated testing within established PHP projects.