Worked on backend development for the wibarab/featuredb repository, focusing on enhancing pronoun data handling and improving system stability. Over two months, implemented a feature that introduced bound pronoun checks to increase the robustness and correctness of pronoun-related functionality, with changes validated through traceable commits. Used Python to refine data validation logic, ensuring edge cases in pronoun processing were addressed for better data quality and user experience. Additionally, contributed targeted bug fixes and logic refinements to existing features, prioritizing stability and maintainability. All work centered on backend reliability, with careful attention to traceability and auditability across the development process.