Interview process has initial phone screening , data challenge , technical phone screen followed by onsite technical interview. Initial phone screening has behavioral questions, your background related questions and few basic math questions. Data Challenge was not easy. They give you data set , a business problem and one week of time to solve it. Need to provide your opinion about the problem. Challenge has coding in Python or R or any statistical language , data visualization , your observations about data (data quality) , your suggestions on improvements to be done to metadata , checks that are to be imposed on data. After these technical onsite screening. Unfortunately, I wasn't able to clear data challenge step.