Born in 1975 in Rubikiai village, Anykščiai district.
In 1993 graduated from Anykščiai Antanas Vienuolis secondary school. From 1994 to 2000 he studied Lithuanian language and literature at Vilnius University, Faculty of Philology. In 2000-2002 she worked as a translator-reporter at UAB Siamed Baltic, in 2002-2004 as a sales manager at UAB Sirowa.
From 2004 to 2008 Žąsinaitė lived in Wexford (Ireland) and worked as a translator. After returning to Lithuania, she continued her studies at Vilnius University at the PhD programme of the Faculty of Philology, prepared and defended her dissertation "Grodno - the cultural centre of the Grand Duchy of Lithuania (the second half of the 18th century)" in 2014. In 2015-2017 she was a lecturer at the Department of Lithuanian Literature, Faculty of Philology, Vilnius University.
Jurgė Žąsinaitė's literary research and journalistic texts and reviews are published in publications such as "Metai", "Šiaurės Atėnai", "7 meno dienos", "Voruta", "Literatūra", "Darbai ir dienos", "Senoji Lietuvos literatūra", "Naujasis Židinys-Aidai", and published online.