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Machine Learning Interview Questions

Review this list of 123 Machine Learning interview questions and answers verified by hiring managers and candidates.

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Roblox has users in different languages and a machine learning system for auto-translation. Design a system that would automatically translate between different people on different servers.
8 months ago
Given a video “scene” (e.g., an accident scenario, rainy driving), design a system to fetch/retrieve similar scenes/videos from a large dataset.
8 months ago
Design a color propensity model for sponsored products ads at Amazon.
2 years ago
Design a System to Predict Netflix Watch Times Has video answer
Grid Search
3 years ago
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Implement K-Means Clustering Has video answer
4 answers
What is overfitting or underfitting? Which models are most likely to experience this, and why?
2 years ago5 answers
Design a search system that adapts to constantly changing user interests.
4 months ago
What is bagging/boosting?
7 months ago
If you were building an autocomplete experience, how would you use underlying data to predict the next word a person is going to type?
2 years ago
Design an ETA System for a Maps App. Has video answer
1 answer
Train a Model to Detect Bots Has video answer
1 answer
Describe your experience with LLMs.
6 months ago
What are common linear regression problems? Has video answer
5 years ago3 answers
Design a recommender system feature for Dropbox that suggests files to users when they open the app on their phone.
7 months ago
Why would you use RAG versus fine-tuning?
3 months ago
If you discovered that your model was exposing sensitive data from its training set, what would you do next?
a year ago
Design an ML monitoring system for a fantasy sports app, focusing on drift, performance, outliers, and quality.
3 years ago1 answer
In K-Nearest Neighbors (KNN), does setting k=1 lead to higher variance or higher bias?
2 years ago5 answers
How do you stay up to date with advancements in machine learning?
a year ago2 answers

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