In 2011, Bloomberg reported that he was leading development of an Apple television set, a device rumored in Steve Jobs's autobiography.
There, he worked on Copland, Apple's troubled operating system project, alongside fellow software engineer Bill Kincaid.
[3] In 1999, Robbin joined Kincaid and Dave Heller to start a small company, SoundStep, and develop SoundJam MP, a software jukebox that played MP3 files.
[6] SoundJam received positive reviews,[7] and won the Best of Macworld award in 1999;[8] it eventually secured 90% of the Mac MP3 software market.
Shortly after the acquisition, Robbin was chosen by Steve Jobs to lead the iTunes development team, a position he still had a decade later.
[4][13] Less than four months later, in January 2001, iTunes was released for free as part of Apple's digital hub strategy,[14][15][13] and was received with enthusiasm.
[31] In March 2023, Bloomberg News reported that starting in April, Robbin will take charge of Apple's cloud services, including iCloud, CloudKit, and the infrastructure that hosts iMessage and FaceTime.