Comprehensive Coaching Management Web App

I'm seeking a skilled web developer to create a robust Coaching Management System. This web application will serve multiple user roles, including Students, Coaches, Administrators, Teachers, Mentors, and Parents.

Key functionalities include:
- Schedule Management: Organize and manage coaching sessions.
- Student Progress Tracking: Monitor and report on student development.
- Online Payments: Secure payment processing for sessions.
- Lecture Plan: Detailed planning and structuring of coaching lectures.

Ideal skills and experience:
- Proficient in web development technologies (HTML, CSS, JavaScript, etc.)
- Experience with database management
- Strong understanding of user authentication and role-based access control
- Expertise in secure payment integration
- Prior experience in building educational or coaching platforms is a plus

Please provide examples of previous work and a timeline for project completion.