E-commerce Web App Development

I need an experienced developer to build a new e-commerce web application.

Requirements:
- User-friendly interface
- Secure payment gateway integration
- Robust product catalog management
- Customer review and rating system
- Advanced search and filter options
- Mobile-responsive design

Ideal Skills & Experience:
- Proven experience in developing e-commerce web applications
- Strong knowledge of web development technologies (HTML, CSS, JavaScript, etc.)
- Experience with database management
- Familiarity with SEO best practices
- Strong problem-solving skills and attention to detail

Please provide a portfolio of similar projects completed.