American Express Software Developer interview questions
based on 232 ratings - Updated Jun 2, 2026
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41%
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14%
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3%
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Employee Referral
3%
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In Person
1%
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Software Developer applicants have rated the interview process at American Express 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 91.7% positive. This is according to Glassdoor user ratings.
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It was the most quick interview that I ever had and was also a great interview. I had a very positive experience.I was asked to solve two algorithms question in 45 minutes.
Interview questions [1]
Question 1
1. find a very big sum and 2. find the longest substring in a given string
I applied through college or university. The process took 1 week. I interviewed at American Express (New York, NY) in Mar 2022
Interview
My interviewer cut straight to the chase and didn't ask any behavioral questions.
Asked about Software Engineering principles and then two LC style questions. Overall a good experience, heard back in a week.
I applied online. I interviewed at American Express (New York, NY) in Dec 2021
Interview
First round interview: asked me a bunch of OOP and trivial Java questions. Also asked brain teasers. Felt like me vs the interviewer, the interviewer didn't seem interested and seemed out get me.
Interview questions [1]
Question 1
Name some oop principles.
Difference between different java data structures and specifics on how they work