As a youth, Galiev played in the 2005 Quebec International Pee-Wee Hockey Tournament with a team from Moscow.

[citation needed] Galiev made his NHL debut for the Capitals in the 2014–15 season, on April 8, 2015, against the Boston Bruins and scored his first NHL goal on April 11, 2015, against the New York Rangers in the last game of the regular season.

[citation needed] After five seasons within the Capitals organization and unable to make an impression in the NHL, Galiev left as a free agent and returned to Russia to sign a two-year contract with Ak Bars Kazan of the KHL on July 14, 2017.

[4] Galiev played two further seasons with Ak Bars before leaving the club as a free agent to sign a one-year contract with Avangard Omsk on 30 July 2024.

[5] Galiev played with the Russian junior team at the 2009 Ivan Hlinka Memorial Tournament, helping capture a silver medal.