Vitaliy Kosyak@vita1yFollow BadgesProblem SolvingDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencevita1y has not updated employment details yet.Educationvita1y has not updated education details yet.Linksvita1y has not updated links details yet. Skillsvita1y has not updated skills details yet.