Liudmyla Derkach@l_derkachFollow BadgesProblem SolvingDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencel_derkach has not updated employment details yet.EducationKPILinksl_derkach has not updated links details yet. Skillsl_derkach has not updated skills details yet.