George Papanikolaou focused on backend reliability in the panther_analysis_tool repository, addressing a critical bug that affected schema resolution. He implemented a case-insensitive lookup for schema names in Python, using the casefold() method within the Uploader.get_schema_by_name function to prevent failures caused by inconsistent input casing. To ensure robustness, George expanded unit testing coverage, validating the fix across various ingestion paths and updating regression tests. Although no new features were introduced during this period, his work improved data integrity and developer confidence. His contributions demonstrated depth in backend development and unit testing, emphasizing maintainability and reliability in production workflows.