Mobile App Developer (Flutter/React Native) – QR Payments, Scanner & GPS Apps

Job Overview: Looking for an experienced mobile app developer for a freelance/side project to build three MVP mobile applications for iOS and Android. Project Scope (3 Apps, you can choose one or the 3 of them): QR Payment App: Integrates camera scan for QR code payment processing (Apple Pay/Google Pay flow style). Barcode/QR scanning GPS Tracking App: Real-time location tracking and map interface. Key Requirements: Proven experience with Flutter or React Native. Solid experience integrating camera features (QR & Barcode scanners). Hands-on experience with GPS, maps (Google Maps/Mapbox), and location services. Experience with payment gateway integrations (Stripe, Apple Pay, PayPal). Portfolio Required: Must show videos or live demo links of previous apps with similar features. Work Terms: Remote, flexible side job. Payment will be structured by milestones (project basis) or hourly, we can define it in a meeting English or spanish.