Shopify E-commerce Site Development

I'm looking for an experienced Shopify developer to create an e-commerce website for selling physical products.

Key requirements:
- Build a user-friendly, visually appealing Shopify store
- Integrate secure payment gateways
- Set up product categories and pages
- Implement SEO best practices
- Mobile-responsive design
- Provide training on how to manage the store

Ideal skills:
- Proven Shopify development experience
- Strong design skills
- Familiarity with SEO and mobile optimization
- Excellent communication skills

Please share your portfolio and relevant experience.