Bundesliga debut on 31 October 2014 against Fortuna Düsseldorf replacing Alfredo Morales at half-time in a 0–0 away draw.

[6][7] In June 2019, upon his return from loan at Nürnberg, Bauer was released from training at Werder Bremen.

[8] On 20 August 2019, he signed a long-term contract with Russian club FC Arsenal Tula.

[10] On 25 May 2023, Bauer joined Saudi Pro League club Al-Tai on a one-year contract.

[13] The next month, he received his first call-up to the Germany U20 side and represented them at the FIFA U-20 World Cup in New Zealand that summer.