UI-UX Designer Needed

I'm looking for an experienced UI-UX designer to help create a user-friendly, engaging app for both iOS and Android platforms. The app's primary goal is to promote user engagement.

Key Responsibilities:
- Design a professional, corporate style interface that is easy to navigate and visually appealing.
- Create strategies to enhance user interaction and retention.

Ideal Skills:
- Proven experience in UI-UX design for mobile apps.
- Strong understanding of user engagement strategies.
- Proficiency in designing for both iOS and Android platforms.
- Ability to create a professional and corporate design style.