In the early 1990s, she briefly worked at the Central State Archives of Supreme Bodies of Power and Government of Ukraine, before proceeding with graduate studies.
[1] She obtained a PhD (Candidate of Sciences) degree in history in 1994, with the doctoral thesis focused on the role of Kievskaya starina сhronicle in the scientific and civic life of the Ukrainian society.
[1] Since 1994, Paliienko has been working at the Historical Faculty of the Taras Shevchenko National University of Kyiv.
Paliienko researched Ukrainian studies in multiple countries, including the United Kingdom, France, Czech Republic, Russia, Austria, Poland, and Germany.
Paliienko presented her work at multiple international scientific conferences, particularly in Toruń, Paris, Prague, London, Trieste (Italy), and Maribor (Slovenia).