QR Code Tribute Page Development/ Family Tree

I am looking for a developer/team to build the following software: Platforms Required React Native mobile app – iOS + Android Responsive web application Backend/API Database Admin dashboard QR code system Payment/e-commerce integration Core Software Features User Accounts Email login Google/Apple login User profiles Password/account management Profile Management Create/edit profiles Text/content fields Photo uploads Video uploads Gallery Public/private visibility Family Tree Create people/nodes Add relationships Connect profiles Living + deceased people Interactive family tree Add/remove/edit relationships QR Code System Generate unique QR codes Link QR code to specific profile QR scanning Redirect to public profile Basic scan/view tracking Replace/deactivate QR codes User Permissions Three levels: Owner/Admin Family Member Viewer Include permission controls and approval workflow for submitted content. Collaboration Invite users by email Accept/decline invitations Add family members Submit content Approve/reject submitted content Notifications where required Media Storage Image uploads Video uploads Secure storage File size/storage limits Image thumbnails/optimisation Payments / Products Three products: Need automatic allocation of profiles/QR codes based on purchase. E-commerce Preferred: Shopify integration Alternative: Stripe checkout if simpler/more cost-effective. Backend Preferred: Supabase PostgreSQL Supabase Authentication Supabase Storage API/Edge Functions Database security / Row Level Security Backend must support both the mobile app and website. Admin Admin dashboard to manage: Users Profiles QR codes Orders/packages Family relationships Uploaded content Approvals Basic analytics Account management Development Phases Please quote separately for: Backend + Database + API Authentication + Permissions Family Tree QR Code System Media Storage Mobile App Web Application Admin Dashboard Shopify/Stripe Integration Testing + Deployment Please Quote For each section, please provide: Fixed cost Estimated development time Technology/stack What is included Any third-party/hosting costs Ongoing maintenance costs App Store/Google Play deployment costs The UI designs are still being finalised, so the backend can be started first and the mobile/web frontend can be finalised once the designs are ready.