Website Development & Design Fix

I need a skilled web developer to create a new website and fix existing responsive design issues on my current site.

Requirements:
- Develop an e-commerce, blog, or corporate website (type to be confirmed).
- Fix responsive design issues to ensure mobile-friendly access.

Ideal Skills and Experience:
- Proficiency in HTML, CSS, JavaScript, and relevant frameworks.
- Experience with responsive design and cross-browser compatibility.
- Strong problem-solving skills and attention to detail.

Please provide examples of previous work and a brief outline of your approach.