In 1962, Hasanov was sent to the 14th annual All Soviet Komsomol Summit being held in Moscow as the representative of Azerbaijani students.

In 1967, he was appointed to the position of tutor at Central Committee of Azerbaijan Communist Party.

[1] After working in the organization committee of Komsomol's central office in Moscow for two years, Hasanov moved back to Baku in 1971 and worked as tutor and deputy department director of Azerbaijan Communist Party.

Understanding the difficulties, Hasanov made a deal with the Popular Front of Azerbaijan inviting them to form a coalition within the newly established government.

In 1992–1993, Hasanov established and worked in the Permanent Mission of Azerbaijan Republic to UN in New York City.

From 2004 until 2010, Hasanov served as Ambassador Extraordinary and Plenipotentiary of the Republic of Azerbaijan to Hungary.