Vitaliy is a Liferay developer, specializing in this technology for over ten years. His inclusive expertise in Liferay includes themes, portlets, layouts, and hooks development, as well as migration and platform customization. Vitaliy comprehended Liferay's depth at the time when there was a lack of theoretical information, independently going from an enthusiast to the author of an educational E-book. He is continuously involved in ambitious projects, using his experience in the development and mentoring of young Liferay specialists.