UIUC Gies has strong career outcomes, on average higher salaries than from UCI:
UCI Merage BA outcomes are at the end of this report: https://merage.uci.edu/_files/documents/career-center/Employment-Reports_2022-2020.pdf
Note that as an international student, it will be difficult for you to get an IB job assuming you would require a work visa…see this reply on another thread from an IB expert: New York University Early Decision for Fall 2024 Admission - #354 by Catcherinthetoast