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Coding
2 years ago
Could you produce 1000 data points in R with a normal distribution, defined mean, and variance, analyze the dataset summary, and plot its density? Also, show how to do this in a Python environment on Codility.
Machine Learning Engineer

MongoDB

Peek

Bloomberg

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2 years ago
System Design
2 years ago
How would you approach designing an in-app purchase system that works offline and syncs when online?
Machine Learning Engineer

MongoDB

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2 years ago
ML Knowledge
2 years ago
When it comes to hyperparameter tuning, there are two popular methods: grid search CV and random search CV. Can you discuss the differences between these two approaches?
Machine Learning Engineer

MongoDB

American Express Logo

American Express

Epic Games Logo

Epic Games

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2 years ago
System Design
2 years ago
Design a high-performance distributed caching service.
Machine Learning Engineer

MongoDB

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2 years ago
Coding
2 years ago
How would you code a text-wrapping function that respects space-delimited words within a character limit?
Machine Learning Engineer

MongoDB

Wayfair Logo

Wayfair

Meta Logo

Meta

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2 years ago
ML CaseProduct Case
2 years ago
Can you explain your methodology for predicting a customer's lifetime value?
Machine Learning Engineer

MongoDB

Anaplan Logo

Anaplan

CrowdStrike Logo

CrowdStrike

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2 years ago
ML Knowledge
2 years ago
When reporting machine learning results, what approaches do you think work best for ensuring that stakeholders understand the findings?
Machine Learning Engineer

MongoDB

Wattpad Logo

Wattpad

Tinder Logo

Tinder

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2 years ago
ML Knowledge
2 years ago
Could you compare and contrast the applications of a confusion matrix and an ROC curve in model evaluation?
Machine Learning EngineerData Scientist

MongoDB

Udacity Logo

Udacity

Splunk Logo

Splunk

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2 years ago
Coding
2 years ago
What steps would you take if you had to generate i.i.d. draws from a given distribution X when only having access to a random number generator?
Machine Learning Engineer

MongoDB

Zoox Logo

Zoox

Infineon Logo

Infineon

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2 years ago
ML CaseProduct Case
3 years ago
What's your concept for a recommendation algorithm based on user's listening activity, and which listening history features would you model?
Machine Learning Engineer

MongoDB

Square Logo

Square

StubHub Logo

StubHub

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3 years ago

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*All interview questions are submitted by recent MongoDB Machine Learning Engineer candidates, labelled and categorized by Prepfully, and then published after being verified by Machine Learning Engineers at MongoDB.

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