I’m building a small, family-focused rent tracker and I want it coded in Flutter for Android. The app should run perfectly offline, then sync or back up when I trigger it, so my data is never tied to a cloud account I don’t control... (Budget: ₹600 - ₹1500 INR, Jobs: Android, API Development, App Design, App Development, Database Management, Flutter, Google Firebase, Mobile App Development, Mobile Development, Software Development)