Born on December 19, 1999 in Daugavpils (Latvia), Julija has studied vocals and music since her childhood and took part in various children and youth vocal and acting skills contests. She also took up dancing classes and mastered her vocal technique.
In 2015, Julija moved to Riga so as perfect pop vocals and participate in major stage related projects.
In 2017-18, she became a participant and laureate of the projects "X-Faktors" (Latvia), the International Vocal and Music Festival for Youth "Riga Symphony", "Voice of Latvia", "Latvian Gold Talents", "Mmba Video Awards 2018", "Pop Stage Riga".
In 2020, Julija released her debut single "A ty?" ("And you?") which ranked first on the iTunes music chart (Latvia) and kept the lead position for 5 days.
In January 2021, she won the first Latvian musical reality show "Music House. Season 1" and signed her first contract with the "by SILVERS Music" label. Soon after, the "Sin City" single was released, got into mainstream radio play of 18 radio stations (Latvia, Belarus, Ukraine, Russia) and achieved platinum sales in Latvia.
Since March 2021, Julija Mayer has been a TNT International TV channel presenter and a Fashion News hostess of the Style Diary program.
In June 2021, alongside with Julija Mayer’s first English-language single "I DO", much was done for her first album release and her future representation of Latvia in various TV contests.