Jean-Francois Dumas@jfdumasFollow BadgesProblem SolvingSqlRuby CertificationsCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experiencejfdumas has not updated employment details yet.Educationjfdumas has not updated education details yet.Linksjfdumas has not updated links details yet. Skillsjfdumas has not updated skills details yet.