Front-end admin portal back-end database needed

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Front-end admin portal back-end database needed
Please propose which admin portal and database you would use to satisfy the following:
1) A back-end database with user permissions
2) A front-end admin portal with user permissions
3) Front-end admin portal is a scheduling system
4) Front-end admin portal sends automatic email reminders for appointments, and confirmations for appointment bookings, cancellations, special cancellations with notes, etc.
5) Customer portal can view upcoming appointments, request appointments, request cancellation, etc.
6) Audit trail for all activities
Please propose your cost for the project and timeline to completion. Thanks!
Skills:
PHP
, MySQL
, HTML
, React Native
, Java

Company info

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