Cross-Platform Mobile App Development

I need an experienced developer who can take a mobile app from concept to App Store and Google Play release. The core requirement is that the same code-base (whether React Native, Flutter, Kotlin Multiplatform,... (Budget: ₹37500 - ₹75000 INR, Jobs: Android, API Development, Figma, Flutter, iPhone, Mobile App Development, PhoneGap, React Native)