Doctor & Lab Appointment System

I'm seeking an expert to build a fully-functional web and mobile-based appointment booking platform for doctors and laboratories. The system should cater to three primary users: doctors, patients, and lab technicians.

Key Features:
- Appointment Scheduling: Users should be able to seamlessly schedule appointments.
- Electronic Health Records: A secure section for storing and accessing patient health records.
- Payment Processing & Payouts: Integrate a reliable and secure payment gateway for payments and
generate payouts for users.
- Lab Reports: Functionality to view and track lab reports.
- Subscription Services: Both patient and vendor subscription-based service offerings.

Ideal Skills:
- Proficient in full-stack web and mobile app development.
- Experience with integrating electronic health records into a platform.
- Knowledge of secure payment gateway integration.
- Prior work in developing systems for healthcare industry is a plus.
- Strong UI/UX design capabilities for user-friendly interface.

Tech to be used:
- Frontend using React.Js
- Backend using Node.Js
- Mobile app using flutter/react native
- Data base using MongoDB