Djellal Ahmed Abderrahmane@Per5u5Software Engineer at Data Impact By NielsenIqFranceFollowAboutEducationESI-Ecole Supérieure d'Informations BadgesProblem SolvingJavaDays of CodeSql CertificationsPer5u5 has not earned any certificates yet. Work ExperiencePer5u5 has not updated employment details yet.EducationESI-Ecole Supérieure d'Informations