In 2010, he signed a record deal with Pittsburgh-based independent label Rostrum Records, with whom he had his breakthrough with the mixtapes K.I.D.S. (2010) and Best Day Ever (2011).

Miller's debut studio album, Blue Slide Park (2011), became the first independently distributed album to top the US Billboard 200 since 1995. In 2013, he founded the record label imprint REMember Music. After his second studio album, Watching Movies with the Sound Off (2013), he left Rostrum and signed with the major label Warner Bros. Records in 2014. With them, he released three studio albums: GO:OD AM (2015).