During November 2024, Scharhate focused on backend development and database querying for the Netflix/lemur repository, addressing a bug in certificate retrieval logic. They improved the handling of certificates with missing Common Names (CN) by replacing a LIKE-based query with a null-safe check using Python and SQLAlchemy. This change ensured that certificates without a specified CN were accurately filtered, eliminating incorrect matches and enhancing data integrity. Scharhate’s work demonstrated careful attention to query correctness and maintainability, contributing to more reliable backend operations. Although the period involved only one bug fix, the solution reflected a thoughtful approach to database query design.