Doctor Consultation App Development

I need a developer to create a doctor consultation and medical product selling app for both iOS and Android platforms.

The app should include:
- Video call consultations
- Appointment scheduling
- Access to patient medical history

Ideal skills and experience:
- Proven experience in developing healthcare apps
- Strong knowledge of video call integration
- Expertise in secure data handling and user privacy
- Familiarity with both iOS and Android development

Looking for a professional with a solid portfolio and ability to meet deadlines.