Family Memorial & Family Tree Platform

Software Development Requirements – Quote Request

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

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.