In February 2025, Pim contributed to the flyteorg/flytekit repository by enhancing data interoperability and reliability in backend workflows. Pim introduced MessagePack support for data fetch operations, enabling binary data tagged as 'msgpack' to be unpacked and stored as JSON strings, which improved cross-language data interchange. Additionally, Pim fixed a type hint bug in the FlyteDirectory class, ensuring that the new() method returns the correct type and increasing type safety throughout the codebase. These updates, implemented in Python and leveraging skills in API integration and data serialization, improved both developer experience and the robustness of pyflyte fetch workflows.