Jacek is a web developer specialized in building extensive web applications. The technologies he uses on a daily basis include PHP, MySQL, HTML+CSS and JS+jQuery. If it's useful for a project, he employs some fresh and popular solutions such as Node.js. In 2012 and 2013 he was the head developer of a highly customized online store platform written from scratch in the CakePHP framework. Now he's working on the development of several e-commerce websites running in Poland and Germany. He's also involved in setting up Wordpress based sites and writing own Wordpress plugins. To take a break from coding, he does challenging crossfit workouts, goes out to taste some new food or dives into an interesting psychology magazine or book.