Worked on the qilimanjaro-tech/qililab repository with a focus on maintaining database stability rather than introducing new features. Addressed a critical issue by reverting schema changes that had added new columns, thereby restoring the previous database structure and ensuring compatibility with existing downstream services. This approach mitigated migration risks and preserved established application behavior. The work required careful use of database management skills, version control with Git, and Python for implementing and validating the changes. The month’s efforts centered on bug remediation and stability, reflecting a methodical approach to technical debt and the ongoing reliability of the application’s data layer.