[3] In 2004 Miljački became an Adjunct Assistant Professor of Architecture at Columbia University GSAPP where she would continue to teach until 2007.
In 2008 Miljački became an Assistant Professor of Architecture at the Massachusetts Institute of Technology, where she still teaches today.
In 1998 she was employed as a graphic designer Interloop Architecture in Houston, Texas, did work as a consultant for Interior Architects, Inc. in New York, NY and worked as a designer for Lindy Roy Architect in New York, NY.
In 2001 Miljački began work as a researcher and video designer at AMO/OMA in New York before founding Project in 2002, an architecture thought practice based in Brooklyn, NY and Boston, MA where she is still a principal today.
[9] Miljački was part of the three member curatorial team, with Eva Franch i Gilabert and Ashley Schafer, of the US Pavilion at the 2014 Venice Architecture Biennale, where their Biennale project, titled OfficeUS, critically examined the last century of US architectural offices; their professionalization and their concomitant global contribution.