Worked on the apache/pinot repository to enhance Zookeeper data transmission robustness by refactoring backend logic to send data in the request body instead of as a query parameter. This change improved reliability and allowed for more efficient payload handling, particularly for larger data sets that previously risked failure due to query parameter limitations. The solution was implemented using TypeScript and focused on backend development and API integration best practices. Clear and concise commit messaging documented the update, aligning with project requirements and issue tracking. The work demonstrated a methodical approach to backend refactoring, emphasizing maintainability and adherence to modern API design standards.