Secure Online Course Platform Development

I'm seeking a developer to create a secure, comprehensive educational platform for online courses. The platform should support: - Course categorization by Subject Matter - Search functionality by course or instructor - Hosting of Webinars User roles to be supported include Students, Instructors, and Administrators. Ideal candidates will have experience with e-learning platform development, knowledge of secure coding practices, and the ability to implement interactive features such as webinar hosting. Please provide examples of similar projects you've completed in your proposal.