Andrey Volfman@andreyvolfmanWeb Developer in Mail.ruFollow BadgesProblem SolvingDays of JSSqlRuby CertificationsCertificate: SQL (Basic)VerifiedskillWork Experienceandreyvolfman has not updated employment details yet.Educationandreyvolfman has not updated education details yet.LinksGithubhttps://github.com/andreyvolfman Skillsandreyvolfman has not updated skills details yet.