Jonathan developed an automatic expiration feature for linked credit requests in the openedx/enterprise-access repository, focusing on lifecycle management and data integrity. He enhanced the expire_assignment function using Python and Django, ensuring that when a content assignment expired, any associated credit requests were marked as EXPIRED and persisted in the backend. Additionally, he refined the notification logic so that expiration emails were only sent if no linked credit request was affected, reducing unnecessary alerts. This work streamlined manual processes, improved compliance, and demonstrated a solid grasp of backend and API development, though it was limited in scope to a single feature.