Full Stack Web Development - React & Node.js

I require a full stack web developer to build a professional and efficient web application. The project will involve both front-end and back-end development, as well as integration with payment gateway and WhatsApp business API.

Key Features of the Application:
- User-friendly Landing Page: The landing page should be clean and easy to navigate for users.
- Secure Login Page: The login page should be designed with robust security features.
- Calendar Page: The calendar page is a core functionality of the application, allowing users to schedule events, view daily/weekly/monthly calendars and set reminders.
- File Uploading Page: This page should allow users to upload files securely.
- Payment Page: The payment page must be integrated with a payment gateway for secure and seamless transactions.

Backend Development:
- Calender Management: The backend should support efficient management of events on the calendar.
- Documents: Should allow for secure document storage and retrieval.
- User Permissions: The application should have role-based user permissions.
- Payment History: The backend should keep a track of all payment transactions.

Technologies:
- Frontend: React
- Backend: Node.js

Integration:
- Payment Gateway: The application should be integrated with a secure and reliable payment gateway.
- WhatsApp Business API: The application should be integrated with WhatsApp Business API to enable users to interact via WhatsApp.

Ideal Skills:
- Proficiency in React and Node.js
- Experience in building secure and user-friendly web applications
- Strong understanding of payment gateway integration
- Previous experience with WhatsApp Business API would be a plus

Figma design will be provided to developers