Mahone began his career by posting videos on YouTube in June 2010. More music videos followed, and by January 2011 he began to build an online following. In October 2011, Mahone posted a video covering Justin Bieber's "Mistletoe". On February 14, 2012, Mahone self-released his first single, "11:11", to iTunes. On June 4, 2012, he released his debut EP, Extended Play, which was released to iTunes in Japan only. On June 5, 2012, Mahone debuted his second single, "Say Somethin", though it wasn't officially released to iTunes until he was later signed to his label. On August 28, 2012, Mahone announced that he had been officially signed to Chase/Universal Republic Records. "Say Somethin" received its official release days later on August 30, 2012.
In 2013, Mahone was named one of MTV's Artists to Watch, and was chosen as one of the opening acts of Taylor Swift's Red Tour. In December 2013, Mahone was named a "Digital and Brand Strategist" for Aquafina's FlavorSplash, a new line of flavored sparkling water targeted towards teens. On October 17, 2013, Mahone kicked off his first ever headlining tour, MTV's Artist to Watch Tour.
"Mmm Yeah" was released as the lead single from The Secret, Mahone's second EP, on January 27, 2014. The Secret was later released on May 27, 2014. On July 25, 2014, Mahone kicked off his second headlining tour, Austin Mahone: Live on Tour. Over the course of 2014 and 2015, he continued to independently release new music for his fans. Five new songs titled "Say My Name", "Places", "Waiting For This Love", "Someone Like You" and "Torture" were released for free download through his official SoundCloud page.
Austin announced on Twitter that "Dirty Work", the lead single from his debut studio album, will be released to iTunes on July 10, 2015. It was premiered on radio the next day, and given an early iTunes release on July 1, 2015, due to high demand from fans. His currently untitled album is expected to be released by the end of 2015.