Denis Klyachenko@dklyachenkoSoftware Developer at Parma Technologies GroupRussian FederationFollow BadgesProblem SolvingDays of CodeDays of JSSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencedklyachenko has not updated employment details yet.Educationdklyachenko has not updated education details yet.