During November 2024, Zilin Chen focused on stabilizing data transformations in the influxdata/iceberg-rust repository, addressing a critical bug in the RecordBatch transformer. By modifying the RecordBatchOptions to disable matching field names, Zilin ensured correct type handling during data transformations, which improved the robustness and reliability of the Iceberg Rust library. This targeted patch eliminated a type-promotion edge case that previously caused downstream errors in data processing workflows. Working primarily with Rust and leveraging expertise in Apache Iceberg and data engineering, Zilin delivered a focused, low-risk solution with clear traceability, demonstrating depth in diagnosing and resolving nuanced data transformation issues.