Mathieu Ha Sum@hasumFront-End EngineerFranceFollow BadgesProblem SolvingDays of JS CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: JavaScript (Basic)VerifiedskillCertificate: React (Basic)VerifiedskillWork Experiencehasum has not updated employment details yet.Educationhasum has not updated education details yet.