E-commerce Android/iOS App Development

I'm seeking an experienced Android/iOS app developer to create an e-commerce application.

Key Features:
- Product catalog: The app should display a comprehensive product catalog.
- Shopping cart: A user-friendly shopping cart is essential.
- User reviews: Users should be able to read and post reviews.

Payment Integration:
- Credit/Debit Cards: The app needs to support payments via credit and debit cards.
- UPI: Integration of UPI for seamless transactions is required.

User Authentication:
- Email and Password: A standard email and password login system is necessary.
- Phone Number Verification: The app should include a phone number verification feature for added security.

Ideal Skills:
- Proficiency in Android/iOS app development.
- Experience in creating e-commerce applications.
- Familiarity with integrating various payment methods.
- Expertise in implementing user authentication features.

Please bid only if you meet these requirements.