Requires specialist sites on Bitrix

Good afternoon.
Required to carry out a number of works on the site .The CMS Bitrix.
1.To prepare and place the banner.
2.To work on website design.
3.Check page posted the information where you want to change to the correct information.
4.To test and Refine the main functions of the website.
If you have suggestions for site improvements, ready to listen and to accept the work if necessary.