A youth product of Hertha Zehlendorf and Hertha BSC, Gechter started training with Hertha BSC's senior side in 2021.[1] He made his professional debut with Hertha BSC in a 3–1 Bundesliga win over VfL Bochum on 12 September 2021.[2] On 17 March 2022, he signed a professional contract with Hertha, tying him to the club until 30 June 2022.[3] He came in second place for the 2021 U17 Fritz Walter Medal.[4]