@yuanyinSenior Backend Engineer at MeiqiaFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceyuanyin has not updated employment details yet.Educationyuanyin has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/yuanyin/?locale=en_US Skillsyuanyin has not updated skills details yet.