Tony Zhao developed experiment tracking capabilities for the snowflakedb/snowpark-python repository, focusing on enhancing data pipeline traceability. He introduced a new domain type for experiments within the lineage model, updating related methods to recognize and process experiment entities. This work, implemented in Python and leveraging Snowpark, improved end-to-end traceability and reproducibility of experiments, supporting better governance and auditing in data workflows. Tony applied back end development and unit testing skills to ensure robust integration with existing lineage and versioned domain logic. The feature addressed the need for experiment-level tracking, deepening the platform’s support for collaborative and auditable data science processes.