Hi there,
I can upgrade from 2. to 2.3 magento version.
I have 9 years of solid in-depth knowledge of PHP & its Frameworks CakePHP, CodeIgniter, Zend, Yii with CorePHP & MVC programming.
CMS & eCommerce: WordPress, Joomla, Drupal, DotNetNuke, Umbraco, Moodle, Sitefinity, Kentico, Sitecore, Typo3, BigCommerce, Magento, Prestashop
Kindly message me to discuss in detail.
Best,
Varinder