John Smith@vigackFollow BadgesProblem SolvingDays of CodeRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experiencevigack has not updated employment details yet.EducationZhejiang UniversityChemical EngineeringLinksvigack has not updated links details yet. Skillsvigack has not updated skills details yet.