In January 2025, Junaid Khan developed mobile payment functionality for new course offerings in the edx/ecommerce repository, focusing on backend integration with the iOS App Store. He implemented a feature-flagged approach to safely roll out App Store API integration, allowing for optional creation of iOS products tied to new mobile seats. Using Python, he enhanced backend serializers to support mobile seat creation and updates, ensuring robust data handling for e-commerce transactions. Junaid’s work leveraged his skills in API development and payment integration, enabling new monetization pathways for upcoming courses while maintaining flexibility and control over deployment in production environments.