Expert HTML/CSS/JS Developer Needed

I'm seeking an experienced web developer for a custom website project. The site must be built using HTML, CSS, and JavaScript.

Key Requirements:
- Develop a fully responsive and SEO-friendly website.
- Implement modern design trends and ensure cross-browser compatibility.
- Collaborate on design if needed; flexibility is appreciated.

Ideal Skills:
- Proficiency in HTML, CSS, and JavaScript.
- Strong understanding of SEO principles.
- Experience with responsive design and modern web design trends.
- Ability to troubleshoot and fix bugs.

Please provide samples of previous work and estimated timelines.