Karl Niu@kaniuSoftware Developer at Pocket GemsFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencekaniu has not updated employment details yet.Educationkaniu has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/karlniu/ Skillskaniu has not updated skills details yet.