Rapid application development!
I have carefully read and understood your requirements.
I am the best candidate to do this project. We have fully ready cloud based secure platform for your needs. We have ready templates and android app. Recently built a large web/mobile portal/platform for a European startup client that includes fully working scheduling, cryptocurrency integration, CRM features, [!], dashboards, referral links, product listings, content management, integrations,reporting, membership system, emails, templates, user management on top of MySQL.