Sergey Chigrinov@chigrinov_s_88Data AnalystAustraliaFollow BadgesProblem SolvingPythonSql CertificationsCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencechigrinov_s_88 has not updated employment details yet.Educationchigrinov_s_88 has not updated education details yet.