E-commerce Website Development

I'm seeking an experienced web developer to create a robust e-commerce website. The site will need to support the sale of both physical and digital products.

Key Requirements:
- User-friendly interface
- Secure payment gateway integration (e.g., PayPal, Stripe)
- Shipping provider integration (e.g., FedEx, UPS)
- Social media integration (e.g., Facebook, Instagram)
- Mobile responsiveness
- SEO optimization

Ideal Skills & Experience:
- Proven e-commerce website development experience
- Proficiency in integrating payment gateways and shipping providers
- Strong understanding of SEO and mobile responsiveness
- Experience with UI/UX design principles
- Excellent communication skills and attention to detail

Please provide portfolios showcasing similar projects.