Sergey Matvienko@sevlamatFollow BadgesProblem SolvingJavaSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencesevlamat has not updated employment details yet.Educationsevlamat has not updated education details yet.Linkssevlamat has not updated links details yet. Skillssevlamat has not updated skills details yet.