[1] She studied at an art school in Vilnius where her teacher was the painter Adomas Varnas.

[1] Janulaitienė participated in the first exhibition of Lithuanian women painters with six portraits (opened in October 1937).

[1] During World War II, together with Julija Biliūnienė, Veronika Alseikienė, Sofija Čiurlionienė, and Elena Žalinkevičaitė-Petrauskienė, she helped hide two Jews.

She created portraits of several famous people of Lithuania, including Vincas Krėvė, Konstantinas Glinskis [lt], Józef Albin Herbaczewski [pl] (all in 1926), Jonas Jablonskis, Sofija Kymantaitė-Čiurlionienė (both in 1927), Maironis (1930).

[6] Her sister Aleksandra Vailokaitienė was a photographer and the wife of Jonas Vailokaitis, banker and signatory of the Act of Independence of Lithuania.