She made her stage debut at the theatre as a student in a 2010 production of the Astrid Lindgren children's book Karlsson-on-the-Roof.
She debuted at the Ugala as an actress engaged at the theatre in the role of Katja in a 2013 production of Tõnu Õnnepalu's Sajand.
[3] Tiitsmaa has appeared in roles one the Ugala stage in productions of works by such varies authors and playwrights as: Fyodor Dostoyevsky, A. H. Tammsaare, George Stiles, Carlo Goldoni, Mati Unt, Rainer Werner Fassbinder, Oskar Luts, David Mamet, and L. Frank Baum, among others.
The film stars Hendrik Toompere Jr. Jr. as a young, disaffected man from rural Estonia on a frantic journey through midsummer Estonia in the late 1990s trying to discover purpose and meaning in his life; and Tiitsmaa as Maria, a young, wealthy, law student from Tallinn holidaying in the region when their paths cross.
[9] In 2020, she appeared in the Andrejs Ekis and Tanel Ingi directed comedy film Asjad, millest me ei räägi.