Case 1: Do we need to keep the employment verification during the application of a credit card? Step 1: calculate the potential average loss of a bad customer if he is approved Step 2: calculate the expected life value for a good customer Step 3; calculate the break-even default rate Case 2: I am a retailer. If I want to issue credit card, can I make 20% profit margin? Step 1: calculate the required number of credits step 2: estimate the market size step 3; calculate the market share Behavioral: Tell a time when you need to ask someone for help to get a task done; tell a time when you need to learn something new; tell a time when you have a creative idea Role play: the classical flight time of delay problem.

30 mins phone interview and almost technical questions. I was invited to tell about the project I have done before and ask some questions regarding this project. Also, my programming language level was asked. There were also some standard technical questions like p-value, overfitting, cross-validation.