Jonas Yamer co-founded the music group Carl Gari alongside Till Funke and Jonas Friedlich in 2013. Within the band, he serves as the bassist and producer. Their musical style intertwines elements from various genres such as electronic music, post-rock, punk and dub.
In 2023 Jonas Yamer created the original soundtrack for the Argentinian-German experimental sci-fi feature film "JEIT". The film is currently being submitted to various international film festivals and will be screened in selected theaters next year.
In 2023 Jonas Yamer collaborated with singer Rosa Anschütz for the cinematic techno track "Save Me".