Alexey Ermolaev@ermolushkaData Scientist at EsforceRussian FederationFollowAboutCurrentEsforceEducationRSUH BadgesProblem SolvingPythonDays ofStatisticsSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceData ScientistEsforce•  2017EducationRSUH