Flutter Productivity App Development

I need a productivity app developed using Flutter for Android.

Core features should include:
- Task management
- Calendar integration
- Note-taking

Ideal skills and experience:
- Proficiency in Flutter and Dart
- Experience in developing Android applications
- Familiarity with integrating task management, calendar, and note-taking functionalities
- Strong UI/UX design skills for an intuitive user experience

Please share your portfolios and relevant experience. Looking forward to your bids!