Im a web developer (php and java) and i have too many jobs with PHP and Yii, and i have some projects(with Yii) that have +1million of access and our is optimized with Nginx, Cloudflare and Memcache.
I have experience in Linux and web servers too.
All jobs can be checked in http://www.prsolucoes.com/blog.
Some of the jobs with Yii:
http://www.showdecentavos.com.br (some backends, cron services and admin)
We are ready to your job. I here for any freelance jobs.
Email and msn: ask me in private for the email - is the same email for both