Denis Korovyakovsky@denis_korovyako1RussiaFollow BadgesProblem SolvingDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencedenis_korovyako1 has not updated employment details yet.Educationdenis_korovyako1 has not updated education details yet.