Healthcare Appointment Booking System

I'm in need of a comprehensive Healthcare Appointment Booking System. The system should cater to three distinct user roles: Admin, Doctor, and Patient.

Key Features:
- User-friendly frontend built with HTML, CSS, and JavaScript.
- A robust backend developed with Java, supported by a MySQL database for managing patient records, appointment schedules, and doctor profiles.
- High-level data security through user authentication and encryption protocols.
- An admin dashboard for overseeing doctors, patients, and schedules.
- An integrated notification system for sending appointment reminders via email/SMS.

Platform Accessibility:
- The system should be exclusively accessible via the web.

Authentication:
- The preferred authentication method is a simple username and password system.

Ideal Skills and Experience:
- Proficiency in frontend technologies like HTML, CSS, and JavaScript.
- Strong backend development skills specifically in Java.
- Extensive experience with MySQL database management.
- Prior experience in developing secure systems with user authentication and encryption protocols.
- Ability to design and implement an interactive admin dashboard.
- Familiarity with integrating notification systems.