Hello,
I read your requirement and understood that you want to make some changes in existing website which is build in Yii framework.
I have 3 years of experience in Web development using framework like Yii, Yii2, Code igniter, Laravel etc.
So I can surely able to do changes in existing website by understanding code and existing functioning of system.
Please connect me over chat so we can discuss about project in detail and proceed further.
Thanks,