Tran Viet@hoangviet4040Freelance java developerFollow BadgesProblem SolvingJavaDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencehoangviet4040 has not updated employment details yet.Educationhoangviet4040 has not updated education details yet.LinksGithubhttps://github.com/ViSSjunioR Skillshoangviet4040 has not updated skills details yet.