Behdad Nejatbakhshe (born February 19, 1989), better known by his stage name Uppermost, is a French electronic music producer and DJ based in Paris.

[3] Uppermost has remixed Daft Punk, deadmau5, Burial, Crystal Castles, Johnathan Coulton, Syl Johnson, Congorock, Gregor Tresher, Cyberpunkers, OniMe, Jesus Luz, Spencer & Hill and Felguk.

He has been playlisted by artists such as Tiësto, Armin van Buuren and Steve Angello and remixed by the popular Swedish dance duo Dada Life.

Uppermost began performing at live events in early 2012, starting with his gig at Alte Kaserne in Zurich.

All tracks are titled in all caps, with their initialisms deliberately referencing computer science terminologies (HDMI, VOIP, SSH, P2P...).