Yingtao Xu@yx2318Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experienceyx2318 has not updated employment details yet.EducationColumbiaLinksLinkedinjKdiWpid/RR/7NcGoCUGoZpRMFRbJjBf1vxhZr3gx8k=Portfoliohttps://github.com/MomokoXu Skillsyx2318 has not updated skills details yet.