After graduation and until September 1990 he worked at the Central State Archives of the October Revolution and the Socialist Construction of Latvian SSR in Riga.

From 1989 to 1991, Chubarov was a regional representative at the Riga city council, as a member of the Popular Front of Latvia faction, which favoured Latvian independence from the Soviet Union.

[6] In 2014, he called the Crimean status referendum "a circus" and also said that it was "a tragedy, an illegitimate government with armed forces from another country".

[2] In November 2015, Russia unsuccessfully tried to place Chubarov on the Interpol search list, after a Ukrainian query not to admit this request.

[10] The Mejlis of the Crimean Tatar People was labeled an "extremist organisation" and subsequently banned by Crimea's supreme court on 26 April 2016.