Clothing E-commerce Website Development

I'm looking for a professional and experienced web developer to build an e-commerce website primarily for selling clothing and accessories.

Core Requirements:
- The website should be user-friendly, mobile-responsive and SEO-optimized.
- It should have a secure and efficient payment gateway.
- Ideally, it would come with an integrated inventory management system (although this can be added later).

Ideal Skills:
- Proficiency in e-commerce platform development (Shopify, WooCommerce, Magento etc.)
- Strong background in developing retail websites specifically for clothing and accessories.
- Experience with implementing secure payment gateways and inventory management systems.

Please include relevant portfolio pieces in your proposal.