Oleg Sviridovitch@olsv_byFollow BadgesProblem SolvingCPPSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceolsv_by has not updated employment details yet.Educationolsv_by has not updated education details yet.Linksolsv_by has not updated links details yet. Skillsolsv_by has not updated skills details yet.