Maxim Gritchin@max_gritchinSoftware EngineerRussian FederationFollow BadgesProblem SolvingSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencemax_gritchin has not updated employment details yet.Educationmax_gritchin has not updated education details yet.