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Coding

3 years ago

How would you program a fair die-rolling simulation, and how would you validate that the outcomes are fair?

Machine Learning EngineerData Scientist

HelloFresh

Tableau

Nubank

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3 years ago

Coding

3 years ago

Can you share with me a method to find the shortest distance a knight has to move from point A to point B on an infinite chessboard?

Machine Learning Engineer

HelloFresh

Medallia

Figma

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3 years ago

System Design

3 years ago

Build a real-time transaction processing system for e-commerce platforms.

Machine Learning Engineer

HelloFresh

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3 years ago

System Design

4 years ago

Design a push notification service for mobile and web.

Machine Learning Engineer

HelloFresh

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4 years ago

Coding

4 years ago

Can you construct a text-wrapping function that breaks a long string into space-separated lines under a character cap?

Machine Learning Engineer

HelloFresh

Intel

Hitachi

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4 years ago

ML Knowledge

4 years ago

How would you explain bootstrapping, and do you advocate its use for increasing sample sizes?

Machine Learning EngineerData Scientist

HelloFresh

Rovio

Snap

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4 years ago

StatisticsML Knowledge

4 years ago

What’s your understanding of PCA and its inherent disadvantages?

Machine Learning EngineerData Scientist

HelloFresh

Visa

Adobe

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4 years ago

ML Knowledge

4 years ago

What is the most effective way to optimize hyperparameters in a machine learning model? Can you explain the differences between using grid search CV and random search CV?

Machine Learning Engineer

HelloFresh

Twitter

Rubrik

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4 years ago

Product CaseML Case

4 years ago

How do you quantify the factors affecting the ride requests of the company?

Machine Learning Engineer

HelloFresh

Slack

DigitalOcean

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4 years ago

Coding

4 years ago

Can you illustrate how to program the search for the longest palindrome within a given string?

Machine Learning EngineerData Scientist

HelloFresh

Dropbox

SeatGeek

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4 years ago

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

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