PHP Freelancer

Hello. I`m freelancer.
I have experience with high load projects. I can write clear and safe code, also I can read old variant. I have big experience in team work, what problems can appear and find the way of solution.I have big experience with backend & Yii2, to work with php and mobile developer, create for api, and creat architecture together.I have worked with yii2 about 4 years and yii1 yet 5 years.I like create big and complicated applications. I use Yii2, AngularJS, MySQL(InnoDB), Redis, Sphinx. Rarely SailsJS, MongoDB- for small and fast application.I know how optimize db, code, clients data and query for high load.