Rei Tanikado@gu_1goFollow BadgesProblem SolvingJavaSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencegu_1go has not updated employment details yet.Educationgu_1go has not updated education details yet.Linksgu_1go has not updated links details yet. Skillsgu_1go has not updated skills details yet.