Cross-Platform Flutter App Development -- 2

I'm looking for an experienced Flutter developer to create a cross-platform mobile application for both iOS and Android.

Key Features:
- User Authentication: The app should have a secure user authentication system.
- Push Notifications: The app should be able to send and receive push notifications.
- In-App Purchases: The app should support in-app purchases.

Ideal Skills:
- Proficient in Zoho creator and Flutter
- Experience with cross-platform mobile app development
- Knowledge of implementing user authentication systems
- Familiarity with setting up push notifications
- Experience with integrating in-app purchases.

Please provide examples of similar projects you've done in your bid.