OpenCart store management - optimization, module configuration, parsing

Needed on a permanent basis that perfectly knows what and how to work in open card - setting up the admin, edit the admin template and the template for sending letters to buyers, parsing - the most important thing to do and to work parser from other sites, optimization of the core itself and SEO. The site was made a month ago by one team, but the delivery of the project to us - very upset. Therefore, we are looking for a person on a permanent basis - the schedule is free. We saw some problems, you fixed them! In Skype mode, voice communication is required!
On a continuing basis -

Payment once a month - 1500 -2000 UAH

We need someone who has already worked with online stores and accompanied them.