UI/UX design for a fitness app

I am looking for a UI/UX designer to create a visually appealing and user-friendly fitness app for both iOS and Android platforms. The preferred design style for the app is a Dark Theme. The client has provided a detailed list of features and functionalities that they want to include in the app.

Ideal Skills and Experience:
- Strong UI/UX design skills
- Experience in designing mobile apps for both iOS and Android platforms
- Proficiency in creating designs with a Dark Theme
- Ability to incorporate specific features and functionalities based on the client's detailed list