Melissa Jin@mqjin2Follow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencemqjin2 has not updated employment details yet.Educationmqjin2 has not updated education details yet.Linksmqjin2 has not updated links details yet. Skillsmqjin2 has not updated skills details yet.