In July 2025, Shahbaz Ramzan refactored the Stripe integration for the Immpression-Dev-Team/backend repository, focusing on improving onboarding reliability and data integrity. He implemented a system to persist Stripe account IDs within user records, leveraging JWT authentication in Node.js and Express.js to securely retrieve user context during onboarding. The onboarding flow was updated to accept the Stripe Connect ID directly from the request body, streamlining the process and enhancing security. By refining the data model and integrating the Stripe API more robustly, Shahbaz addressed potential inconsistencies and improved the reliability of revenue-related workflows, demonstrating depth in backend engineering and authentication practices.