He rose to prominence outside of Sweden after co-writing and producing Ariana Grande's hit single "Problem" for her second studio album My Everything (2014).
[10][2][11][12][13] "Problem" went on to become one of the fastest-selling singles in iTunes history before winning a Teen Choice Award, VMA and EMA months later.
[14][15][16][17] In June 2014, Ilya was nominated for the Denniz Pop Awards, an annual prize handed out to up-and-coming musicians.
[21][22] In January 2015, Ellie Goulding's "Love Me Like You Do", co-written by Ilya, was released for the soundtrack album to the motion picture, Fifty Shades of Grey, becoming the most-streamed song in a week on Spotify.
He also worked on the production of Labrinth's singles "Miracle" and "Oblivion" (which features Sia), both taken from his sophomore solo album, Imagination & the Misfit Kid.