Worked on the anthropics/beam repository to deliver the DatastoreV1 Optional WriteSuccessSummary Return feature, enhancing pipeline observability and synchronization for data engineering workflows. Implemented in Java using Apache Beam and Google Cloud Platform services, this feature allows DatastoreV1 write, deleteEntity, and deleteKey operations to optionally return a PCollection of WriteSuccessSummary. This technical approach enables downstream pipeline steps to track write completions and coordinate execution stages more effectively. The work focused on improving the ability to monitor and synchronize data processing tasks within cloud-based pipelines, addressing the need for better tracking and coordination in complex data engineering environments.