E-commerce Site Development

I'm looking for a skilled web developer to create a comprehensive e-commerce website. The site will sell both physical and digital products.

Key requirements include:
- User-friendly interface
- Secure payment integration (Credit/Debit Cards, PayPal, Bank Transfer)
- Robust catalog management for both product types
- Mobile-responsive design
- SEO optimization

Ideal skills and experience:
- Proven experience in e-commerce website development
- Familiarity with payment gateway integration
- Strong design skills for an intuitive user experience
- Knowledge of SEO best practices

Please share your portfolio and relevant work experience.