I can install OpenCART, configure as wanted or at least recommend you how to do it and also I can Service a OpenCART store based on access to logs and files.

Solving issues about translating your store on your chosen language ( If you have the translated equivalents words ).

Solving different errors if you have them on FrontPage.

Shown prices are related to 1 hour of operations for your demands.

I will not provide items support (updating, uploading and configuring products, descriptions, prices and so on)