Looking for advanced PHP programmer with Wordpress experience and site speed optimization experience

We are a rapidly growing company looking for an experienced PHP developer who is also comfortable working in the Wordpress backend, and has extensive knowledge of site speed optimization.

We would like someone to work on projects for us on a contract basis, but this could quickly turn into a full time position for the right candidate.

Skills Required:

Strong PHP skills - you are able to code/work on Wordpress plugins as well as create standalone PHP projects
Site Speed Optimization - You have in-depth knowledge of how to optimize websites, especially wordpress sites for website speed testing via Google Page Speed, GTMetrix, etc.

Please reply with:

Samples of previous work meeting the above requirements
Hourly rate
Available hours you can work each week
Skype