Campus Mart E-commerce Development

I need a skilled developer to create Campus Mart, an e-commerce platform for college students. The site should offer a real-world online store experience with core web technologies.

Key features include:
- Shopping cart and checkout functionalities
- User-friendly product browsing by category
- Responsive layout for mobile and desktop

Ideal skills and experience:
- Strong background in web development
- Experience with e-commerce platforms
- Proficiency in creating responsive, user-friendly interfaces
- Familiarity with implementing secure payment methods

Please provide a portfolio showcasing similar projects.