QR Event Photo Sharing Platform Developer

I am looking for a developer to build an MVP web application for weddings and events. The platform should allow guests to scan a QR code and upload photos directly to a shared album. The application should be user-friendly and efficient, ensuring seamless photo sharing during events. Core Features: Event organiser creates an event. System generates a unique QR code. Guests scan the QR code and access a mobile-friendly upload page. Guests upload photos and videos. Files are stored securely in a private gallery. Event organiser can view and download all uploaded content. Admin dashboard to manage events and storage. Requirements: Responsive design for mobile devices. Secure cloud storage. GDPR-compliant data handling. Scalable architecture. Source code ownership transferred to me upon project completion. Please provide: Examples of similar projects. Recommended technology stack. Estimated timeline. Fixed-price quote. Ongoing maintenance costs.