Custom Peptides Sales Website

I'm looking for an experienced web developer to create a product sales website focused on custom peptides. The site should have a simple product catalog with direct checkout.

Key Requirements:
- User-friendly interface showcasing custom peptides
- Simple, intuitive product catalog with direct checkout process
- Secure payment gateway integration
- Mobile-responsive design
- SEO optimized for better visibility

Ideal Skills and Experience:
- Proven experience in e-commerce website development
- Strong understanding of UX/UI design principles
- Familiarity with SEO best practices
- Experience with secure payment gateway integration

Please provide a portfolio showcasing similar projects.