After completing his studies, Johannes Büchs absolved a voluntary at the NDR, worked as an author for the satire broadcast "extra 3", and moderated the political children's show "nine-and-a-half" at ARD and the program "Kann es Johannes?" at KiKA. Furthermore he is also active as a reporter for the "Sendung mit der Maus". In 2012, Johannes Büchs was nominated for the Grimme Prize, in 2013 he was awarded the DGE- Journalist Prize. In 2014 he received the environmental media prize and his format "Kann es Johannes?" was rewarded with the Golden Sparrow. In addition to that the show was nominated for the Special Prize for Culture as part of the Grimme Award in 2015.

Johannes Büchs finished the train-the-trainer modules at the ARD.ZDF Media academy and since then has been working as a freelance trainer for young journalists, moderators and executives. He also holds a lectureship at the Zeppelin University in Friedrichshafen.