Worked on enhancing data integrity and dependency compatibility in the qua-platform/py-qua-tools repository, focusing on robust pickle file conversions. Addressed a critical bug by migrating serialized data to a Cirq-compatible format, ensuring no data loss during the transition. Upgraded dependencies to numpy version 2 and Cirq 1.6.0, with conditional support for Python 3.11, to maintain compatibility across evolving Python environments. Stabilized key tests, including those for two_qubit_rb and numpy<3 paths, and updated documentation to reflect these improvements. Utilized Python, data serialization, and dependency management skills to reduce risk in data pipelines and support future project enhancements.