Cross-Platform Paid Video Uploader App

I want a clean, intuitive mobile application that lets people record or choose professional-grade videos on their phone and upload them straight to the cloud. The build must run smoothly on both Android and iOS, with a single code-base preferred for easier maintenance... (Budget: ₹600 - ₹1500 INR, Jobs: Android, Flutter, iPhone, Kotlin, Mobile App Development, PHP, React Native, Video Streaming)