Companies want to see that youre a (data-driven) problem solver. That is, at some point during your interview process, youll probably be asked about some high level problem for example, about a test the company may want to run or a data-driven product it may want to develop. Its important to think about what things are important, and what things arent. How should you, as the data scientist, interact with the engineers and product managers? What methods should you use? When do approximations make sense? says Holtz.