Engineering Training Page Creation

I need a customed designed SharePoint comprehensive training/help page for our engineering business, aimed at current staff. The content should be a mix of:

Text tutorials
Video tutorials
Interactive guides
Conduct taring quizzes and or questionnaires
monitor and register log of attendees and how much time they stayed in page

Ideal Skills and Experience:
- Experience in creating training materials
- Proficiency in instructional design
- Ability to create engaging video content
- Strong writing skills for clear text tutorials
- Experience with interactive guide tools

Please provide samples of similar work done.