They asked Case Studies on what parameters could be used for Machine Learning model, there were three rounds but in further rounds they asked theoretical Machine Learning based case studies.
Interview questions [1]
Question 1
How to figure out whether a transaction is fraudulent?
How to predict whether a customer will call us in near future for any query?
I applied through college or university. The process took 5 days. I interviewed at American Express (Kānpur, Uttar Pradesh) in Aug 2025
Interview
2 rounds : Round 1 was talk about the ml models on my resume(went deep into their theory) and couple of case studies centered around amex's business model. Round 2 was case studies again and questions like why amex? both rounds were a mix of technical and hr.Would suggest strongly brushing up one's knowledge of credit cards and amex's revenue streams
I applied online. The process took 4 weeks. I interviewed at American Express (Phoenix, AZ) in Feb 2024
Interview
2 rounds of interview, coding assessment, followed by a round of behavioral interview and a technical live-coding session. Not too many challenging questions in the technical round, just testing basic understanding of data science and statistics.
Interview questions [1]
Question 1
How to deal with missing values, walk me thru a data science project you completed, what is false positive, etc.