Comprehensive Sales Platform Development

I'm seeking an experienced developer to create a robust online business and sales platform. This platform will primarily focus on bulk sales but will also accommodate individual sales. The products include:

- White goods
- Electronics
- Furniture
- Artifacts
- Hygiene items
- Decorative items

Key Requirements:
- User-friendly interface for both individual and bulk sales
- Secure payment gateway
- Advanced search and filter options
- Seller and buyer profiles
- Rating and review system
- Mobile-responsive design
- SEO optimized

Ideal Skills and Experience:
- Proven track record in developing e-commerce platforms
- Strong knowledge of UX/UI design
- Experience with secure payment integrations
- Familiarity with SEO best practices
- Excellent problem-solving skills and attention to detail

Please include samples of previous work and a brief outline of your approach to this project.