Web developer 1C-Bitrix

We are looking for a developer 1C-Bitrix.

Responsibilities:

Project development at 1C-Bitrix
Refining someone elses code
Optimize loaded projects
Develop your own modules and components 1-Bitrix
Maintenance of customer websites and online stores
Cross-lake and adaptive layout
Interaction with employees from different parts of the company.

Requirements:

Experience with 1C-Bitrix is mandatory (required certificates and portfolio)
The experience of optimizing the performance of sites on Bitrix is obligatory
Experience writing your own components and modules for 1C-Bitrix
Knowledge of PHP, HTML, CSS, Juery, JavaScript, AJAX, PHP, MySL
Experience of adaptive layout
Experience of integration with 1C and other external services
Team experience with version control systems
The experience with other popular CMS is desirable.