JOHN JEJEN@johnjejenSystems EngineerFollow BadgesDays of CodeSqlRuby Certificationsjohnjejen has not earned any certificates yet. Work Experiencejohnjejen has not updated employment details yet.Educationjohnjejen has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/ing-john-carlos-jejen-corredor/ Skillsjohnjejen has not updated skills details yet.