E-commerce App Development

I need a mobile application for e-commerce purposes, to be developed for both iOS and Android platforms.

Key Features:
- User Authentication: Secure login/logout, user profiles.
- Product Catalog: Browse, search, and view all available products.

Ideal Skills and Experience:
- Strong background in mobile app development for both iOS and Android.
- Experience in implementing secure user authentication and creating comprehensive product catalogs.
- Knowledge of e-commerce functionalities and user-friendly design principles.