AI-Powered Academic Webpage Development

I'm seeking an experienced web developer to create an AI-integrated webpage with specific academic features. The primary function of this webpage will be to host online quizzes and tests, specifically in the multiple-choice format.

Key Requirements:

Online Quizzes and Tests: The webpage must include a robust feature for online quizzes and tests, with a focus on multiple-choice questions.

Automatic Grading: I require that the multiple-choice quizzes have an automatic grading system, providing instant results to users.

Ideal Skills and Experience:

Proficiency in web development, particularly in creating interactive and user-friendly quiz interfaces.
Experience with AI integration in web applications.
Knowledge in setting up automatic grading systems for online assessments.
Strong UI/UX design skills to ensure the platform is intuitive and engaging.
Please provide examples of similar projects you've completed and estimate your timeline for this work. Looking forward to your proposals!