E-commerce UI Development

I'm looking for an experienced UI developer to create a user-friendly interface for my e-commerce web application. The application will primarily feature a product catalog and a shopping cart.

Essential requirements:
- Intuitive and attractive product catalog layout
- Seamless shopping cart integration
- Responsive design for various devices

Ideal skills and experience:
- Proven UI development experience, especially in e-commerce
- Strong portfolio showcasing similar projects
- Expertise in responsive design and user experience principles
- Familiarity with web technologies (HTML, CSS, JavaScript)

If you have a keen eye for design and can build an efficient, user-centered e-commerce platform, I would love to hear from you.