Kostya Kostya@kostyanychFollow BadgesProblem SolvingCPPJavaPythonDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencekostyanych has not updated employment details yet.EducationMPEI•  1992 - 1998Linkskostyanych has not updated links details yet. Skillskostyanych has not updated skills details yet.