Jasek was discovered by sending her photos to a Polish magazine twice at age 14.

During her school years she only worked in Paris for haute couture shows.

When she was old enough to have a visa she started doing international fashion weeks; opening Celine, and walking for designers including Marc Jacobs,[3] Alexander McQueen, Balenciaga, Louis Vuitton (for whom she also did an advertisement), Kenzo, Saint Laurent, Valentino, Maison Margiela, Giambattista Valli, Rag & Bone, Calvin Klein, Giorgio Armani, Givenchy, and Fendi.

[6] She appeared in an ensemble Prada campaign alongside models including Cindy Bruna, Amanda Murphy, Julia Bergshoeff, Anna Ewers, Lexi Boling, and Malaika Firth.

[7] For Opening Ceremony, she appeared in a Spike Jonze- and Jonah Hill-written play about fashion week called 100% Cotton, also starring Elle Fanning, Karlie Kloss, Dree Hemingway, Alia Shawkat, Catherine Keener, Bobby Cannavale, John Cameron Mitchell, and Rashida Jones.