Junior Machine Learning Engineer Interview Questions

8,208 junior machine learning engineer interview questions shared by candidates

The main technical question was a deep dive into the architecture of two-tower models. They specifically asked how I would design and implement one for a large-scale recommendation system, focusing on how to build the user and item towers separately.
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Machine Learning Engineer

Interviewed at Rokt

3.9
Nov 3, 2025

The main technical question was a deep dive into the architecture of two-tower models. They specifically asked how I would design and implement one for a large-scale recommendation system, focusing on how to build the user and item towers separately.

I was asked to solve a coding problem involving strings and palindromes. The interviewer mentioned that time complexity didn’t matter; the only expectation was to provide a working solution without errors, no explanation required.
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Applied Machine Learning Scientist

Interviewed at TD

3.8
Sep 24, 2025

I was asked to solve a coding problem involving strings and palindromes. The interviewer mentioned that time complexity didn’t matter; the only expectation was to provide a working solution without errors, no explanation required.

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