Jun Liu@libdorFollow BadgesProblem SolvingSqlC language CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: C (Basic)VerifiedskillCertificate: C (Intermediate)VerifiedskillCertificate: C (Advanced)VerifiedskillWork Experiencelibdor has not updated employment details yet.Educationlibdor has not updated education details yet.Linkslibdor has not updated links details yet. Skillslibdor has not updated skills details yet.