Applied ML Scientist · Phone Screen · Coding

[ OK ] 2b812731-1451-45d4-bfb6-c88177acbd6d — full writeup

[ INFO ] category: Behavioral · Coding difficulty: 5 freq: first seen: 2026-03-14

[5][CODING]Machine LearningK-Means Clustering

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Microsoft — Applied ML Scientist

Level: Mid-Level

Round: Phone Screen · Type: Coding · Difficulty: 5/10 · Duration: 60 min · Interviewer: Neutral

Topics: Machine Learning, K-Means Clustering

Location: Seattle, WA, US

Interview date: 2026-02-15

Summary

I had to implement K-Means clustering.

Details

The interviewer was the hiring manager. I had to implement K-Means clustering, but it didn't need to be runnable. The interviewer just needed to see that my implementation was okay. I could use any framework I wanted (Python/NumPy/PyTorch).

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