Cross-Platform Ecommerce App Development

I need an experienced developer to create an ecommerce app for both iOS and Android platforms. The app will primarily sell physical goods.

Key features are yet to be determined but may include:
- User reviews and ratings
- Product search and filters
- Shopping cart and checkout

Ideal candidates should have:
- Proven experience in developing cross-platform mobile apps
- Strong understanding of ecommerce functionalities
- Familiarity with user experience and interface design
- Ability to integrate secure payment gateways

Please share your past work, especially in ecommerce and mobile app development.