start with an introduction and some basic stuff and then some questions about optimization, prediction, etc. Some open ended questions at the end. The interview is not too long but it needs some prior preparation
Data Scientist applicants have rated the interview process at Variant with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 50% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -