PHP programmer to make changes to the site c yii

You need to make adjustments to the website:
1. Add in the administrative part of the management of the activity pages enable/disable
2. Setting geolocation, the definition of the city by ip user: setting up redirects and popup with notification
3. Add and configure subdomains of Crimea, Chelyabinsk
4. To place the company on the map with labels

Read more in the TOR after the selection of the Contractor