Support and improvement of the online store on Opencart

Consulting and adjusting in the preparation of the TZ by the customer;
Writing modules for non-standard tasks;
organization of data exchange with Rozetka, Prom.ua, Epicenter, Hotline;
Modules for the performance of tasks;
filling the goods with unstandard TZ;
Modification of the CRM connection;
optimizing the speed of the site;
Implementation of the topic.