Sergey works in IT since 2000 with 15 year of Java SE/EE experience. Occupied senior Java developer/Team Lead positions in more than 15 Java projects. Winner of 2013 JBoss Community Recognition Award. He participated as a speaker at 7 JUG events (6 in Odessa and 1 in Dnipropetrovsk). Has been working for more than 2 years as Java lecturer. Author of “Development of Java applications” book.