Vitaly Yurik, PhD, has more than two decades of software development and teaching experience. During the past 15 years he has been developing Java applications, Big Data application, Amazon Web Services application. He has been a key developer, team lead, and architect on a wide range of projects that include e-commerce applications, e-business applications, the WebLogic application server, financial and medical web and enterprise applications. He has developed and taught numerous courses for GPS since its inception in 1997.