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ML CaseML System DesignProduct Case

6 months ago

Please describe your proposed approach to creating a system that detects anomalies in a user's server data and sends alerts to get the user's attention.

Data Scientist

BuzzFeed

Stack Overflow

Qualcomm

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6 months ago

Behavioral

6 months ago

Why do you want to join BuzzFeed?

Data Scientist

BuzzFeed

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6 months ago

Statistics

6 months ago

What are some probable explanations for the contrasting outcomes between the two groups in an A/B test?

Data Scientist

BuzzFeed

Dollar Shave Club

Rivian

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6 months ago

ML Knowledge

6 months ago

What's the principle behind collaborative filtering in the domain of ML?

Data Scientist

BuzzFeed

NetSuite

Sony

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6 months ago

Behavioral

7 months ago

In a previous role where you had a lot of responsibilities, how did you deal with a challenge?

Data ScientistBackend EngineerProduct ManagerSoftware Engineer

BuzzFeed

MyGlamm

HubSpot

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7 months ago

Behavioral

7 months ago

In your opinion, what has been your greatest accomplishment?

Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

BuzzFeed

Cognizant

Babylon Health

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7 months ago

ML Knowledge

7 months ago

Can you elucidate the distinctions between batch normalisation and instance normalisation?

Data ScientistMachine Learning Engineer

BuzzFeed

eBay

Samsara

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7 months ago

ML Knowledge

7 months ago

In what scenarios is an ROC curve most useful? Could you explain the difference in approach between bagging and boosting algorithms?

Data ScientistMachine Learning Engineer

BuzzFeed

Zillow

Wish

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7 months ago

Coding

7 months ago

Your task is to find the integer in an array of sorted integers from 0 to n that introduces a problem. Your algorithm should have a time complexity of O(log n).

Data Scientist

BuzzFeed

InVision

Workday

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7 months ago

Behavioral

7 months ago

Describe a time when you assisted a colleague with his work. What happened as a result?

Data ScientistFull Stack Software EngineerProduction EngineerFrontend Engineer

BuzzFeed

Palantir Technologies

Rebel Foods

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7 months ago

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

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