Helen Yi@helenhyiFollow BadgesProblem SolvingDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencehelenhyi has not updated employment details yet.Educationhelenhyi has not updated education details yet.Linkshelenhyi has not updated links details yet. Skillshelenhyi has not updated skills details yet.