Cross-Platform E-commerce App Development

I'm looking to develop a mobile e-commerce app for both iOS and Android platforms.

Key Requirements:
- User-friendly interface
- Secure payment gateway integration
- Product search and filter options
- User reviews and ratings
- Wishlist and cart functionalities
- Push notifications for deals and updates

Ideal Skills and Experience:
- Proven experience in developing cross-platform mobile apps
- Strong background in e-commerce app development
- Expertise in UI/UX design
- Knowledge of secure payment integrations
- Proficient in both iOS and Android development languages and frameworks

Please include relevant experience in your application.