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Behavioral
2 years ago
What has been your biggest accomplishment in your current role?
Data ScientistData Science ManagerEngineering ManagerUX Designer

Duolingo

Tableau

N26

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2 years ago
Coding
2 years ago
Identify the words from the list that are anagrams - Lemon and Melon, Astronomer and Moonstarer.
Data Scientist

Duolingo

MongoDB

Siemens

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2 years ago
ML Knowledge
2 years ago
What's your take on the bootstrapping method and its validity in increasing the size of a sample?
Data ScientistMachine Learning Engineer

Duolingo

Atlassian Logo

Atlassian

Dell Logo

Dell

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2 years ago
ML CaseML Knowledge
2 years ago
What steps would you follow to estimate Pi using the Monte Carlo Algorithm?
Data ScientistMachine Learning Engineer

Duolingo

Grafana Labs Logo

Grafana Labs

Chewy Logo

Chewy

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2 years ago
ML Knowledge
2 years ago
What are the typical steps you follow when wrangling and cleaning data for machine learning applications?
Data Scientist

Duolingo

Yahoo Logo

Yahoo

Yandex Logo

Yandex

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2 years ago
Behavioral
2 years ago
Tell me about a time when you had to make a quick decision.
Data ScientistFrontend EngineerProgram ManagerFull Stack Software Engineer

Duolingo

MasterClass Logo

MasterClass

Marketo Logo

Marketo

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2 years ago
ML Knowledge
2 years ago
What are some techniques you use to effectively share the insights of machine learning with stakeholders?
Data Scientist

Duolingo

Squarespace Logo

Squarespace

Electronic Arts Logo

Electronic Arts

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2 years ago
SQL
2 years ago
How do nested SELECT commands and WITH expressions enhance SQL query functionality?
Data Scientist

Duolingo

GoDaddy Logo

GoDaddy

Eventbrite Logo

Eventbrite

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2 years ago
Behavioral
2 years ago
In your next job at Duolingo, what are you looking for?
Data Scientist

Duolingo

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2 years ago
Behavioral
2 years ago
How have you disagreed with a team members approach when it was necessary?
Data ScientistUX ResearcherEngineering ManagerUX Designer

Duolingo

MakeMyTrip Logo

MakeMyTrip

NerdWallet Logo

NerdWallet

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2 years 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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