Developed an asynchronous enhancement for the stripe/stripe-node repository by introducing parseEventNotificationAsync, a feature that mirrors the existing synchronous API for webhook event processing. This addition enables non-blocking handling of Stripe event notifications, allowing backend systems to process high-volume webhook flows more efficiently. The implementation in TypeScript leverages asynchronous programming techniques to fetch related objects and events without blocking execution, while incorporating robust error handling for invalid signatures. The work maintained API consistency with the synchronous counterpart and included updates to test formatting for clarity. The focus was on backend development, API design, and improving throughput in event-driven applications.