Secure Cloud-Based Healthcare System

I need a secure healthcare system built on AWS RDS. It should include:

- Patient registration
- EHR storage
- Claim submission with automated validation
- Rule-based fraud detection
- Role-based dashboards for doctors and patients
- Encrypted, API-driven interoperability

Ideal skills and experience:
- Cloud database management (AWS RDS)
- Data encryption knowledge (preferably AES 256-bit)
- API development and integration
- Experience in building secure healthcare applications

Please provide a portfolio showcasing similar projects.