Comprehensive International SEO Optimization

I'm seeking an experienced SEO specialist to optimize my website for an international audience, specifically targeting North America.

Key Areas of Focus:
- Content: Revamp existing content and create new, high-quality, relevant content tailored for the North American market.
- Technical SEO: Improve site speed, mobile optimization, and fix any crawl errors to enhance overall site health.
- Backlinks: Develop a robust backlink strategy to increase domain authority and improve search rankings in North America.

Ideal Skills and Experience:
- Proven track record in international SEO, especially for the North American market.
- Strong understanding of SEO tools (e.g., Google Analytics, SEMrush, Ahrefs).
- Excellent content creation and technical SEO skills.
- Experience in building high-quality backlinks.

Please share your portfolios and relevant case studies.