Worked on the wandb/wandb repository to address a critical server-side issue affecting backend reliability. Focused on Python-based backend development, the work involved implementing a robust fix in the Server class to handle cases where viewer flags could be null in server responses. By introducing defensive programming techniques, the update prevented type errors and potential crashes, thereby improving the stability of viewer-related data paths and dashboards. This targeted bug fix enhanced overall server uptime and data integrity, supporting smoother analytics and monitoring workflows. The contribution demonstrated careful attention to error handling and backend robustness using Python and server-side logic.