Flutter App Enhancement

I'm looking for a skilled Flutter developer to help implement new features and update some UI components in my existing app.

Key tasks include:
- Implementing new features like Firebase Push Notification
- Adding the Membership Component UI to the existing app

Ideal skills and experience:
- Proficiency in Flutter and Dart
- Familiarity with membership or subscription-based app components
- Firebase services

Please provide examples of similar work done, along with your bids. Looking forward to your proposals!