Improvements on Yii2 - today

Hello, you need a programmer with experience in Yii2, with an adequate pricing policy.
There is a business card site that needs to be updated, work after the layout designer task to configure smtp.
When answering, please write what experience you have, and examples of works on Yii2.
And also indicate how much your hour of work costs.

And specify separately, if you have knowledge of ajax.

Thank you!