Worked on data quality and maintenance for the democracy explorer dataset in the owid-content repository, focusing on streamlining and cleaning TSV data. Addressed data management challenges by removing obsolete data points, correcting formatting errors, and pruning unused configuration files to improve accuracy and reduce clutter in the Lexical Index. Enhanced repository hygiene by deleting deprecated explorer configurations, aligning the codebase with current usage and reducing maintenance overhead. Utilized skills in data cleaning and data management, with a focus on TSV file handling, to ensure more reliable analytics and a smoother onboarding experience for future developers maintaining or extending the repository.