Applied Scientist Interview Questions

1,182 applied scientist interview questions shared by candidates

The coding assessment was an easy problem consisting of using a dictionary. On ML breadth and depth, I was posed with a problem and was asked for a solution, discussing data, modelling and evaluations. Interviewer would stop and ask me to go deep on whatever algorithmic solution I would propose (e.g. talk about attention mechanism in Transformers). The behavioural questions consisted of past situations in my working experience, where I should link what I did to the leadership principles of the company.
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Applied Scientist Intern

Interviewed at Amazon

3.5
Dec 12, 2025

The coding assessment was an easy problem consisting of using a dictionary. On ML breadth and depth, I was posed with a problem and was asked for a solution, discussing data, modelling and evaluations. Interviewer would stop and ask me to go deep on whatever algorithmic solution I would propose (e.g. talk about attention mechanism in Transformers). The behavioural questions consisted of past situations in my working experience, where I should link what I did to the leadership principles of the company.

Technical rounds were on ML, and previous project experience. It involved basics of transformer, and understanding of each function. ‘If you have a task where order of words/ tokens didn’t matter, how would you train for it?’
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Applied Scientist

Interviewed at Amazon

3.5
Jan 16, 2026

Technical rounds were on ML, and previous project experience. It involved basics of transformer, and understanding of each function. ‘If you have a task where order of words/ tokens didn’t matter, how would you train for it?’

On site consisted of five sessions. Coding, behavioral, ML design, general ML, in-depth ML. One interesting thing is that behavioral questions were also been asked in coding or other sessions. Coding question was about Trie with medium difficulty. General ML questions requested me to explain ML algorithms which I have used in the work. And gave me simple example problem and asked how to solve (which algoithm).
avatar

Applied Scientist

Interviewed at Amazon

3.5
Nov 26, 2018

On site consisted of five sessions. Coding, behavioral, ML design, general ML, in-depth ML. One interesting thing is that behavioral questions were also been asked in coding or other sessions. Coding question was about Trie with medium difficulty. General ML questions requested me to explain ML algorithms which I have used in the work. And gave me simple example problem and asked how to solve (which algoithm).

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