Mobile app

I am looking for a mobile app developer who can create a productivity app for both iOS and Android platforms. The app should have some general requirements that I will provide, but I am open to suggestions for additional features and functionalities.

Ideal skills and experience:
- Experience in developing mobile apps for both iOS and Android platforms
- Strong understanding of productivity app development
- Ability to incorporate general requirements into the app
- Creative thinking to suggest additional features and functionalities