SEO & Speed Optimization for WordPress

I need a professional who can help optimize my WordPress site's SEO and speed. The aim is to improve the site's overall performance and enhance its visibility on Google.

Requirements:
- Comprehensive SEO optimization
- Speed enhancement for better user experience
- Experience with WordPress is a must
- Familiarity with Google's indexing process

Please note that I haven't yet specified particular areas of focus or pages on the site. I'm open to expert recommendations.