Website Revamp and Content Addition

I'm looking for a skilled developer to make minor updates and improvements to my website. The timeline is 3 days maximum and the updates will include:

Design Updates:
- New content and placeholders for sub-domains
- Up to only 2 new webpages

Content Addition:
- New text, images and videos will be all provided

Functionality Enhancements:
- Overall site optimization for better SEO performance

Ideal Skills and Experience:
- Proficiency in web design and development.
- Experience with content management systems (CMS).
- Strong graphic design skills.
- Ability to optimize website performance.

Please provide examples of previous work.