It was the first-round screening, a 5-question pre-recording video interview. You can find the questions here.
It looks like they do the same to everybody. Just prepare the questions.
Nothing was unexpected.
The following metrics were computed from 957 interview experiences for the MathWorks Applications Support Engineer role in United States.
MathWorks's interview process for their Applications Support Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for MathWorks's Applications Support Engineer interview process in United States.