E-commerce WordPress Theme Development

I'm seeking a skilled WordPress developer to create a custom theme for my e-commerce site.

Key requirements include:
- Collaborating on a design since I don't have a mockup ready.
- Building a responsive, user-friendly, and SEO-optimized e-commerce theme.
- Integrating essential e-commerce functionalities like product listings, shopping cart, and secure checkout.

Ideal Skills and Experience:
- Strong portfolio in WordPress custom theme development, especially for e-commerce.
- Proficiency in HTML, CSS, PHP, and JavaScript.
- Experience in UX/UI design principles.
- Familiarity with SEO best practices.

Looking forward to your creative input and technical expertise!