In the 2008 French municipal elections, Ferradj campaigned for the Socialist Party in Noisy-le-Sec and served as Deputy Mayor until 2010. Following the Charlie Hebdo shooting in 2015, he called for universalist anti-racism, creating the Collectif des Musulmans progressistes et laïques. He was invited to appear on the conservative news channel CNews in 2019 but abruptly left the stage and called for a boycott of the channel.