E-commerce App and Website Development

I'm looking for a skilled developer to create an e-commerce app and website for selling physical goods.

Key features required:
- User accounts
- Secure payment gateway
- Product reviews and ratings

Ideal skills and experience:
- Experience in developing e-commerce platforms
- Strong knowledge of secure payment integration
- UI/UX design skills for user-friendly navigation
- Backend development for managing user accounts and product reviews

Please provide a portfolio of similar work.