Android Ecommerce App Developer Required

I'm looking for an experienced Android developer to create a robust ecommerce app. The app will need to cater to both physical and digital products.

Key Features:
- User Authentication and Profiles: The app should allow users to create accounts, login, and manage their profiles.
- Shopping Cart and Checkout: A seamless shopping experience is a must, with a user-friendly shopping cart and checkout process.
- Payment Gateway Integration: The app should be integrated with reliable and secure payment gateways.

Ideal Skills and Experience:
- Proven track record in Android app development, specifically ecommerce apps.
- Strong understanding of user interface design and user experience optimization.
- Experience with secure payment gateway integration.
- Able to handle both physical and digital product ecommerce.