E-commerce App Development

I need a mobile app version of my website, Willytechstores.com, for both iOS and Android platforms.

The app should include:
- User login/signup
- Product catalog
- Shopping cart
- Shipping functionality
- And essentially replicate everything on the website

The app design should match the existing website design.

Ideal candidates should have:
- Experience in developing e-commerce mobile apps
- Proficiency in both iOS and Android platforms
- Strong UI/UX skills to ensure a seamless website-to-app transition
- Knowledge in app deployment on Google Play Store and Apple App Store