jie yao@jie_yao1Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencejie_yao1 has not updated employment details yet.Educationjie_yao1 has not updated education details yet.Linksjie_yao1 has not updated links details yet. Skillsjie_yao1 has not updated skills details yet.