During May 2025, Shubhamsaboo contributed to the adk-python repository by enhancing the reliability of JSON serialization in Python-based backend systems. Focusing on API integration and data handling, Shubhamsaboo implemented robust support for non-ASCII characters by updating the _safe_json_serialize function to use ensure_ascii=False, ensuring accurate processing of international content. This approach was extended to function-call parameter serialization through the _content_to_message_param method, promoting safer and more consistent API usage. Although no major bugs were addressed during this period, the work laid essential groundwork for internationalization and reduced data corruption risks, demonstrating depth in backend development and JSON serialization practices.