in 2009 Aogo played with the
Karlsruher SC academy and has played at several youth levels including the U15s and U16s. Since 2004, he was a part of the
SC Freiburg academy, and celebrated his debut in the
Bundesliga at seventeen years of age and he immediately won himself a place in the centre of midfield. Aogo joined signed at Bundesliga club
Hamburger SV in 2008 and was part of the regular starting lineup, mostly as a left back. On 29 August 2013, Aogo was
loaned to
Schalke 04. S04 then agreed transfer fee terms in June 2014 for a permanent €2,000,000 move, and Aogo signed a contract with
Schalke 04 running until 30 June 2017. On 9 August 2017, Aogo moved to
VfB Stuttgart. On 3 September 2019,
Hannover 96 announced the signing of Aogo on a free transfer. In January 2020, he agreed the termination of his contract with the club. Aogo announced his retirement from playing in August 2020. He amassed 340 appearances in the two top divisions of German pro football. ==International career==