Are you looking for Opencart expert or you need person that maintain your site ?
if yes then You are at right place.
I have 3+ years experience with Opencart (more than 300+ website ) and I do this kind of work here.
Extension installation & Customization issue
Theme installation issue
Setup like Demo
Loading Speed issue issue
Order Permission Error !!
Icon loading issue
Opencart Upgrade.( 1.5x to 2.x without losing data )
Multi vendor extension setup.
Opencart SEO issue.
Quick Bug Fixing.
Theme Transfer issue.