Online Course Selling Website Development

I'm looking for a skilled web developer to create a comprehensive online teaching platform. The website will host video lessons and interactive quizzes, and will require user accounts for students with login and registration features.

Key Requirements:
- One-time purchase access to course content
- User accounts for students with login and registration
- Hosting video lessons and interactive quizzes

Ideal Skills and Experience:
- Experience with e-learning platforms
- Strong knowledge of user authentication systems
- Ability to integrate video content and quizzes

Please share your portfolio and relevant experience.