Cross-Platform App Development with Flutter

I need an experienced Flutter developer to create a cross-platform mobile application for Android and iOS.

Core features include:
- User authentication
- Push notifications

Ideal Skills and Experience:
- Proficiency in Flutter
- Experience with Firebase or similar for authentication and notifications
- Strong background in mobile app development for both Android and iOS
- Familiarity with app deployment on Google Play Store and Apple App Store
- Ability to work within budget and deliver on time

Please provide examples of similar work done. Looking forward to your bids!