Front end development for my app

I am looking for a front-end developer for my iOS and android app

Platform: iOS and android

Design: I already have a design for the app.

Features: The app requires advanced features to be implemented.

Ideal skills and experience:

- Proficiency in iOS and android development
- Experience with implementing advanced features in iOS apps and android apps
- Strong knowledge of user interface design principles
- Familiarity with Apple's Human Interface Guidelines
- Familiarity with androids Human Interface Guidelines
- Ability to work with existing designs and bring them to life on the app
- Attention to detail and ability to ensure a smooth and seamless user experience
- Ability to collaborate with back-end developers to integrate front-end functionalities