Healthcare App Development -- 2

I'm looking for a skilled full stack developer to create a healthcare mobile app focused on appointment scheduling. The app needs to be built using Flutter for the front end and Node.js for the back end, with Razorpay integration for payment processing.

Key Requirements:
- User Roles: Patients and Administrators
- Core Functionality: Appointment scheduling

Ideal Skills and Experience:
- Proficiency in Flutter and Node.js
- Experience with Razorpay integration
- Strong background in developing mobile applications, especially in the healthcare sector
- Familiarity with secure data handling and privacy regulations in healthcare

Please share your portfolio and relevant experience.