There are 3 rounds:
First round is a HackerRank test. Two coding questions will be asked: one easy and one hard. Along with that, some quantitative questions might be present as well.
The telephonic round will ask from LeetCode and OOPS concepts.
Then comes the on-site round.
OOPS concepts:
The following metrics were computed from 148 interview experiences for the MathWorks Software Engineer role in United States.
MathWorks's interview process for their Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for MathWorks's Software Engineer interview process in United States.