Viktoriia Krasnovyd contributed to the OpenSlides/openslides-backend repository by improving build consistency and database migration validation. She updated the meta file to synchronize submodule references, ensuring that continuous integration and build processes consistently used the correct submodule versions. Additionally, Viktoriia enhanced the initial database migration test data to better validate foreign key constraints, which increased test coverage and reliability during migration tests. Her work involved Python, version control, and database migration techniques, focusing on strengthening the backend’s reliability. Over the course of one month, she delivered both a feature and a bug fix, demonstrating depth in backend engineering and testing.