Alex Tkachenko@jackqackFollow BadgesProblem SolvingJavaSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencejackqack has not updated employment details yet.EducationSouthern Federal University, RussiaComputer Science, BS•  2012 - 2017LinksLinkedinhttps://www.linkedin.com/in/alex-tkachenko-64203434 Skillsjackqack has not updated skills details yet.