Oleg Levitan@oleglevitan_19Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceoleglevitan_19 has not updated employment details yet.EducationSaratov State UniversityLinksoleglevitan_19 has not updated links details yet. Skillsoleglevitan_19 has not updated skills details yet.