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ML Knowledge
5 months ago
Can you elaborate on the discrepancies between SVM and Random Forest?
Data Scientist

Duolingo

Deliveroo

Mixpanel

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5 months ago
Coding
5 months ago
Can you write a function that checks if two strings can be made equivalent with at most one swap?
Data ScientistMachine Learning Engineer

Duolingo

Zomato Logo

Zomato

Okta Logo

Okta

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5 months ago
Behavioral
6 months ago
I want to know something about you I can't find on your resume.
Data ScientistEngineering ManagerUX DesignerUX Researcher

Duolingo

Superhuman Logo

Superhuman

DeliveryHero Logo

DeliveryHero

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6 months ago
Behavioral
6 months ago
Can you share an example of a time when you made an unpopular decision
Data ScientistSoftware EngineerTechnical Program ManagerBackend Engineer

Duolingo

Deliveroo

Pendo Logo

Pendo

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6 months ago
Behavioral
6 months ago
What makes you want to join Duolingo?
Data Scientist

Duolingo

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6 months ago
Behavioral
6 months ago
Share a time when you were challenged in public.
Data ScientistData Science ManagerML Engineering ManagerData Engineering Manager

Duolingo

Orange Logo

Orange

Nubank Logo

Nubank

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6 months ago
StatisticsML Knowledge
6 months ago
Could you lay out the meanings of false positives and false negatives in statistical hypothesis testing, and why they play a crucial role in interpreting the results?
Data Scientist

Duolingo

Headspace Logo

Headspace

Yahoo Logo

Yahoo

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6 months ago
ML Knowledge
6 months ago
Can you outline the challenges faced during the training of deep neural networks with several layers?
Data Scientist

Duolingo

Google Logo

Google

Avito Logo

Avito

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6 months ago
Behavioral
6 months ago
What is it about the Data Scientist role at Duolingo that excites you the most?
Data Scientist

Duolingo

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6 months ago
ML Knowledge
6 months ago
What practices are recommended for overcoming covariate imbalance in machine learning, and how do they aid in enhancing model robustness?
Data Scientist

Duolingo

Wish Logo

Wish

Teradata Logo

Teradata

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6 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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