Mahone performing for K104.7's Not So Silent Night in 2012.
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 independently released his first single, "11:11", to iTunes. On June 4, 2012, he released his debut EP, Extended Play, in Japan only, with his second single, "Say Somethin", being released worldwide the following day. On August 28, 2012, Mahone announced that he had been officially signed to Chase/Universal Republic Records. In November 2012, Mahone signed a deal to become the new "Teen Ambassador" for Lil Wayne's Trukfit fashion clothing line. He has filmed commercials for McDonald's and Hot Nuts, a Mexican snack.
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.
On July 1, 2015 Mahone released the lead single of him upcoming debut album, "Dirty Work". During an interview he said The album will be released in end of 2015.