If you are developer, we’d like to pair with you on a programming problem. It usually takes less than an hour. We are looking for an ability to produce correct solutions quickly, verify that you can indeed write code, and get a sense for how you think about systems, design, and algorithms.
If you are a data scientist, we will work through a quantitative programming exercise, depending on role. It varies because “Data Scientist” is an ambiguous term. It can mean hardcore machine learning engineer or business analyst. Among the skills we care about are: SQL, fluency in statistics and ML, taste for defining and solving meaningful business problems.