Online Course and Subscription Platform Development

I'm looking to develop a tech platform to sell digital products, specifically online courses and subscription services. Key Requirements: - Online Courses: - Lessons - Progress Tracking - Recurring Subscriptions: - Member-only Access Ideal Skills and Experience: - Experience in developing e-learning platforms - Familiarity with subscription models and member access systems - Strong UI/UX design skills - Knowledge of secure payment gateways integration Please include examples of previous work in your bids.