When someone is interviewed what topics are usually asked? What I think of are algorithm/data structure, machine learning, and system design. Is this usually the case? Any other topics?
Overfitting and Regularization
Multivariate statistics topics such as principal component analysis may rear their ugly heads. It depends on if your team/role is more industry/algorithm based (nonCS people programming) or more CRUD app style.
So far for me stress on ds and coding. Some but of ML. Everybody assumes you can catchup on ML if you are good with computer algorithms. Research scientist will be little different