Traditional E-commerce Site Design

I'm seeking an little experienced web designer to create a classic and traditional-styled e-commerce website.

Key Requirements:
- Classic and traditional design aesthetic
- User-friendly navigation and layout
- Mobile-responsive design
- Integration with payment gateways
- SEO optimization
- Adherence to any existing, yet flexible, branding guidelines

Ideal Skills:
- Expertise in e-commerce platforms
- Strong portfolio in classic/traditional design
- Proficient in SEO and mobile responsiveness
- Experience with payment gateway integration

Please provide a portfolio showcasing relevant work.