Born in Yaoundé, Djetei made his senior debut with International Sporting Club of Douala in 2012. In 2014, he moved to Union Douala, after a partnership between both clubs was established.[1][2]
Djetei made his debut in the second level on 6 November 2016, playing the full 90 minutes in a 1–0 away win against CD Mirandés.[5] In August of the following year, during a pre-season match against Real Zaragoza, he suffered a serious knee injury.[6]