A company behind Magento, Varien Inc was established in 2001. In 2007 Varien released 1st version of Magento. The popularity of the system grew and in 2010 Varien was renamed as Magento Inc. In 2011 eBay acquired Magento Inc and was a part of eBay X.Commerce subsidiary till 2015. In July 2015 eBay Enterprise unit including Magento was sold to consortium of private equity firms.
Magento has head-quarter in Los Angeles, but significant part of development (250 out of 300 developers according DOU.UA) is conducted in Ukraine from very early days. There are development centres in Kiev, Dnepropetrovsk and Donetsk. Magento is based on PHP and Zend Framework and typically deployed to Unix/Linux servers with Apache and/or nginx as webserver. Latest stable version of Magento is 1.9.2 (Community Edition) and 1.14.2 Magento 2 was officially released in Nov 2015 after several years of development. At the moment version 1.X ad 2.X both supported by Magento.