He began his career in 2011 when he started writing and recording his own music as a sophomore at Michigan State University, before releasing his debut EP Change of Scenery in May 2015.

Temrowski began attending college at Michigan State University, where he took an interest in writing and recording music as a sophomore.

During his attendance at Michigan State University, sometime around 2014, Temrowski started taking a more serious interest in writing and recording music.

[9] Quinn XCII quickly became a college mixtape sensation, and he would travel frequently to Ann Arbor to record new music with Ayokay.

[citation needed] During May 2015, Quinn XCII released his debut extended play entitled Change of Scenery, which garnered millions of online streams.

[citation needed] On December 9, 2016, Quinn XCII released his new single "Straightjacket", taken off of his upcoming debut album The Story of Us.

[22] On April 27, 2020, Quinn XCII announced his third studio album A Letter to My Younger Self, inspired by a lifetime of events and experiences.

The album was supported by four singles ahead of the release, "Backpack", "Common (featuring Big Sean)", "Let Me Down (with Chelsea Cutler), and "The Lows".

Quinn XCII has been known to blend several different genres of music, including hip-hop, pop, reggae, rock, electronic and soul.

He has listed Kid Cudi, Kanye West, Mos Def, Jack Johnson, Jon Bellion, Michael Jackson, Sam Cooke, and Chance the Rapper as artists who have influenced him.