E-commerce Site & Mobile App Development

I'm seeking a skilled developer/designer to create a professional e-commerce website and a React Native mobile app for my retail store that sells watches, jewelry, and gold items.

Key Requirements:
- E-commerce website (Webflow, WordPress, or Shopify – open to your recommendation)
- User signup and login functionality
- Secure payment gateway
- Advanced product filtering
- Customer reviews
- Product listings with secure purchase options
- Mobile app in React Native (iOS + Android) mirroring website functionality
- Clean, modern, and user-friendly UI/UX
- Robust, scalable, and responsive across devices

Ideal Skills & Experience:
- Proficiency in Webflow, WordPress, Shopify, and React Native
- Strong UI/UX design skills
- Experience in developing secure and scalable e-commerce platforms
- Portfolio showcasing similar work

Please include examples of similar work in your proposal.