Johannes De Ridder, based in Antwerp, BE, is currently a Owner and developer at alt-O Services, bringing experience from previous roles at tablebooker, Johannes De Ridder Webdesign and Antenno. Johannes De Ridder holds a 2007 - 2009 Master in Computer Sciences (Databases) @ University of Antwerp. With a robust skill set that includes PHP, Drupal, MySQL, CSS, jQuery and more, Johannes De Ridder contributes valuable insights to the industry. Johannes De Ridder has 3 emails on RocketReach.