bigcat lu@bigcatluFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencebigcatlu has not updated employment details yet.Educationbigcatlu has not updated education details yet.Linksbigcatlu has not updated links details yet. Skillsbigcatlu has not updated skills details yet.