Flutter Developer for Utility App

I'm seeking a skilled Flutter developer on a monthly contract to help bring a utility app to life. The app is primarily aimed at Android and iPhone users, and it will incorporate task management capabilities and in-app notifications.

Key Requirements:
- Extensive experience with Flutter framework
- Strong proficiency in Android app development
- Ability to integrate task management features
- Expertise in implementing in-app notifications

Please provide your expected monthly fee in your proposal.