E-commerce WordPress Site Development

I'm looking for an experienced WordPress developer to create a robust e-commerce site. The site must include:

- Payment gateway integration
- Product search and filtering

Ideal Skills and Experience:
- Proven experience in WordPress e-commerce development
- Strong knowledge of payment gateways
- Expertise in implementing search and filtering functionalities
- Familiarity with SEO best practices

Please provide examples of previous e-commerce sites you've developed.