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ML Knowledge
3 years ago
Could you delineate what a DMatrix is within XGBoost and contrast it with other gradient boosting data structures?
Data ScientistMachine Learning Engineer

HelloFresh

Viber

Deloitte

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3 years ago
Product Case
3 years ago
Which key performance indicators (KPIs) would you track to assess the engagement levels for the new video chat feature?
Data Scientist

HelloFresh

Yandex Logo

Yandex

Blend Logo

Blend

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3 years ago
Behavioral
3 years ago
What would you like to gain from the position of Data Scientist at HelloFresh - what are some of your key goals?
Data Scientist

HelloFresh

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3 years ago
Behavioral
3 years ago
Give a brief description of your work experience
Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

HelloFresh

Epic Games Logo

Epic Games

New Relic Logo

New Relic

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3 years ago
Behavioral
3 years ago
How would you describe yourself and why do you think that you should be hired by HelloFresh?
Data Scientist

HelloFresh

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3 years ago
Behavioral
3 years ago
What do you think HelloFresh values in its employees?
Data Scientist

HelloFresh

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3 years ago
Behavioral
3 years ago
Please tell us about the lessons you learned from a major failure at work.
Data ScientistData Science ManagerEngineering ManagerUX Designer

HelloFresh

Blackbaud Logo

Blackbaud

Seagate Logo

Seagate

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3 years ago
SQL
3 years ago
How would you go about identifying the top 5 best sellers from a collection of order histories?
Data Scientist

HelloFresh

Rippling Logo

Rippling

GitLab Logo

GitLab

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3 years ago
Behavioral
3 years ago
In the role of HelloFresh Data Scientist, what would be the biggest challenge you think you would face?
Data Scientist

HelloFresh

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3 years ago
Analytics Case
3 years ago
Can you explain what you would do if there was a decrease of 15% in the number of notifications being sent?
Data Scientist

HelloFresh

Slack Logo

Slack

HubSpot Logo

HubSpot

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3 years ago

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*All interview questions are submitted by recent HelloFresh Data Scientist candidates, labelled and categorized by Prepfully, and then published after being verified by Data Scientists at HelloFresh.

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