Professional Skills E-Learning Portal

I'm creating an educational portal focused on professional skills online courses. I'm looking for a developer who can create a platform that offers:

- Video lectures
- Interactive quizzes
- Certification of completion

Ideal Skills and Experience:
- Experience in developing e-learning platforms
- Strong knowledge of integrating video lecture functionalities
- Ability to create engaging and interactive quizzes
- Familiarity with certification systems

Please provide examples of similar projects you've worked on.