Kefei Qian@daydreamqianFollow BadgesProblem SolvingDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencedaydreamqian has not updated employment details yet.EducationBoston UniversityLinksLinkedinhttps://www.linkedin.com/in/kefei-qian-478b9740 Skillsdaydreamqian has not updated skills details yet.