In 2005, Kostenko moved to Moscow, where she started working as a political commentator for the
Nezavisimaya Gazeta. From 2008 to 2013, Kostenko served as a Kremlin correspondent for the
Vedomosti newspaper. In 2013, she started working at the Institute of Socio-Economic and Political Studies, where, as a deputy director, she interacted with the Federal Coordinating Committee of the
All-Russia People's Front. Since 2013, she has been part of the central headquarters of the All-Russia People's Front. On 18 September 2016 she was elected deputy of the
7th State Duma from the Krasnodar Krai constituency. In 2021, she was re-elected for the
8th State Duma. == Legislative Activities ==