Born in 1980. In 2002 graduated from the Lithuanian Academy of Music and Theatre with a bachelor's degree in acting (course directors: A. Latėnas and prof. A. Savickaitė). In 2013 graduated from Klaipėda University with a Master's degree in Directing.  Also improved her ompetences at the European Film College (Denmark).

Jukonytė has created roles in Panevėžys Juozas Miltinis Theatre, Klaipėda Puppet Theatre, Oskaras Koršunovas Theatre and Vilnius Puppet Theatre "Lėlė". In 2015, Justina together with creative group Troupe 459 was awarded the Golden Stage Cross for puppet and object performance-theatrical installation "Love, don't stop". 

She has worked as an acting lecturer at the Lithuanian Academy of Music and Theatre and Vilnius College of Design.

J. Jukonytė's creative works at Vilnius Lėlė Theatre:

2022 Director and scriptwriter | ABOUT THE WORLD | designer N. Keršulytė, composer V. A. Jasaitis

Awards:

In 2023, the performance for children "About the World" was nominated for the Golden Stage Cross in the category of object and puppet performances.