caiyun liu@liucaiyun423ruby on rails developerFollow BadgesProblem SolvingDays of JSSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experienceliucaiyun423 has not updated employment details yet.Educationliucaiyun423 has not updated education details yet.LinksGithubhttps://github.com/liucaiyun423 Skillsliucaiyun423 has not updated skills details yet.