Cross-Platform Mobile App Development

I'm looking for an experienced developer to create a productivity mobile application for both iOS and Android platforms. And simple admin dashboard for managing users and business

Key Requirements:
- The app should be built using either Angular or Flutter.
- The design should be user-friendly and intuitive.
- Experience with mobile app development, particularly in productivity tools, is essential.
- Ability to integrate necessary APIs and ensure smooth performance.

Ideal Skills and Experience:
- Proficiency in Angular or Flutter
- Strong background in mobile app development for both iOS and Android
- Experience in developing productivity applications
- Familiarity with UI/UX design principles
- Knowledge of API integration

Please provide examples of similar projects you've completed.