Lin Ji@jilin2004United StatesFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencejilin2004 has not updated employment details yet.Educationjilin2004 has not updated education details yet.