Amber Giles, known professionally as Mija, is an American electronic music producer, DJ, and promoter, originally from Phoenix, Arizona, who came to attention in 2014 after she played with Skrillex.

Giles was born in Phoenix, Arizona, where she was in a choir that toured France and Canada. She gave up singing as her family could not afford it, and she became a rave promoteraged 17; she was a fan of drum and bass and happy hardcore, including DJ Hixxy. She has often dyed her hair since becoming a DJ, including pink, blonde, and blue, but most often her "signature disheveled sea foam green hair".She is into skateboarding.