Grocery & Essentials Shopping App

I'm looking for an experienced mobile app developer to create a grocery and home essentials shopping app compatible with both iOS and Android. For ex- Blinkit and Zepto.
The app should focus primarily on online ordering and payment, with a user-friendly interface for product browsing and listing.

Key Features:
- Simple, intuitive design for product browsing and listing
- Secure, seamless online ordering and payment system
- User authentication via mobile number with OTP

Ideal Skills and Experience:
- Proven experience in developing e-commerce apps
- Strong understanding of iOS and Android development
- Expertise in creating secure user authentication systems
- Ability to design simple yet engaging user interfaces