E-commerce Website Development

I'm seeking an experienced web developer to create an e-commerce website.

Key requirements:
- Platform: Shopify, WooCommerce, or custom solutions
- Product management: Easy addition and organization of physical products
- Secure payment gateway integration
- Mobile-responsive design
- SEO optimization
- Brand incorporation: Use my existing brand and logo

Ideal skills and experience:
- Proven e-commerce site development
- Familiarity with SEO and digital marketing
- Strong design skills
- Experience with secure payment systems

Please provide a portfolio showcasing similar projects.