Worked on the huggingface/huggingface_hub repository to enhance the reliability of large folder uploads in the backend pipeline. Addressed a recurring issue where revision parameters containing special characters caused failures during bulk data transfers by implementing URL encoding within the upload logic. This Python-based solution focused on API integration and backend development, ensuring that uploads involving complex revision strings now proceed without error. The change improved data integrity and throughput for users managing large repositories, reducing troubleshooting needs and support overhead. The work emphasized maintainability and traceability, with clear commit documentation and linkage to the relevant pull request and issue.