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Behavioral

8 months ago

What is your most significant accomplishment? Why?

Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

Duolingo

Cognizant

Babylon Health

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8 months ago

Behavioral

8 months ago

Explain one of the processes you learned/developed during your previous job, which you believe will prove valuable in your future position with Duolingo

Data Scientist

Duolingo

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8 months ago

Behavioral

8 months ago

Tell me about a project you are really proud of.

Data ScientistTechnical Program ManagerSoftware EngineerProduct Manager

Duolingo

Electronic Arts

Dropbox

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8 months ago

Coding

8 months ago

How would you go about writing a function that can find words in a list that are anagrams of another word in that same list?

Data Scientist

Duolingo

Swiggy

Riot Games

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8 months ago

Behavioral

8 months ago

How did you deal with the challenges you faced in a previous position where you had a lot of responsibility?

Data ScientistBackend EngineerProduct ManagerSoftware Engineer

Duolingo

MyGlamm

HubSpot

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8 months ago

Behavioral

8 months ago

In order to build trust with a team, how do you get started?

Data ScientistData Engineering ManagerEngineering ManagerUX Designer

Duolingo

Western Digital

FleetSmith

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8 months ago

Metrics and Experimentation

8 months ago

How do you decide if a marketing channel is successful or not?

Data Scientist

Duolingo

Arm

Gusto

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8 months ago

Behavioral

8 months ago

How did you handle a task where you had a deadline and couldn't meet it?

Data ScientistTechnical Program ManagerSoftware EngineerML Engineering Manager

Duolingo

Decathlon

NVIDIA

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8 months ago

ML Knowledge

8 months ago

For neural networks, is the vanishing gradient concern more frequent towards the network's input or its output?

Data Scientist

Duolingo

Juul Labs

Robinhood

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8 months ago

Statistics

9 months ago

Can you give an overview of how a model can be evaluated for bias and variance errors?

Data Scientist

Duolingo

Convoy

Rakuten

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9 months ago

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

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