Bastiaan du Pon contributed to the Amsterdam/amsterdam-schema repository by delivering a new data publisher integration and a targeted schema correction over a two-month period. He implemented the addition of DPGO as a publisher and updated precario datasets, expanding publisher coverage and improving data distribution for downstream consumers. Using Python and applying data engineering and schema management skills, Bastiaan ensured changes were well-documented and traceable through clear commit practices. He also addressed a data management issue by correcting publisher attribution for the Belastingen dataset, enhancing data accuracy and governance. His work demonstrated disciplined, end-to-end change management and attention to data quality.