Konstantin Menshikoff@konstantin_mens1Russian FederationFollow BadgesProblem SolvingJavaDays of CodeDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencekonstantin_mens1 has not updated employment details yet.Educationkonstantin_mens1 has not updated education details yet.