American Express Data Scientist interview experience

No offer

Medium

Positive

Gurgaon, HaryanaPosted Sep 2025 · Candidate report, summarized by Dataford

After applying, I ended up in a multi-week process that took about three weeks end to end.

It was anchored around detailed machine learning questions, and the interviews weren’t shy about going beyond surface-level definitions.

One big theme was explaining how models differ—specifically the distinction between random forests and gradient-boosted decision trees. I also got basic Python questions, and throughout the discussions I was grilled on projects I had listed on my resume, with follow-ups that probed what I actually understood versus what I only described.

I didn’t receive an offer, but the path felt medium difficulty overall. The thing I reflected on most was that my resume

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