Stas Matukevich@msy81Russian FederationFollow BadgesProblem SolvingDays of JSSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencemsy81 has not updated employment details yet.Educationmsy81 has not updated education details yet.