Full Stack Developer for School Management Web App

I'm in need of an experienced full stack developer to create a comprehensive school management web application.

Key Features:
- The application should primarily serve as a tool for managing school operations, including but not limited to tracking student attendance and managing grades.
- The application needs to have robust attendance tracking and grade management features.

User Roles:
- The application should support multiple user roles, specifically students, teachers, and administrators.

Ideal Skills and Experience:
- Profound knowledge of full stack development is crucial.
- Previous experience developing a school management application or similar web app will be highly regarded.
- Excellent understanding of implementing multi-user role systems within an application.
- Strong skills in developing features for tracking and management, such as attendance and grades.

I am looking for a professional who can deliver a high-quality, functional, and user-friendly web application. Please provide examples of similar projects you've completed in the past.

The web application should be developed using the following technology stack: Spring Boot, MySQL, React.js. The application should integrate with payment gateways for handling school fees. Please integrate the application with a library management system.