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Coding
3 years ago
What's the Python algorithm for generating the Fibonacci sequence?
Data Scientist

Yandex

Fitbit

Deloitte

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3 years ago
Metrics and Experimentation
3 years ago
Can you give a specific criterion that you use to establish if a marketing channel is performing satisfactorily or not?
Data Scientist

Yandex

Arm

Gusto

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3 years ago
ML Knowledge
3 years ago
Can you discuss a machine learning model you've worked with and detail its functionality?
Data ScientistMachine Learning Engineer

Yandex

BuzzFeed Logo

BuzzFeed

Andela Logo

Andela

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3 years ago
Product Case
3 years ago
Reflecting on the era when Meta featured just 'Comment' and 'Like', how would you structure an experiment to test the integration of additional reaction buttons like 'care' or 'sad'? What steps would you take to construct an A/B test for this?
Data Scientist

Yandex

Dropbox Logo

Dropbox

Gusto

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3 years ago
ML Knowledge
3 years ago
What exactly is meant by an attention model?
Data Scientist

Yandex

Commvault Logo

Commvault

eToro Logo

eToro

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3 years ago
SQL
3 years ago
Given a list of (date, duration) tuples, how would you filter by time period and calculate summary stats (average, rolling sum)?
Data Scientist

Yandex

Samsara Logo

Samsara

GitLab Logo

GitLab

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3 years ago
Statistics
3 years ago
How do panel data and cross sectional data differ from each other?
Data Scientist

Yandex

Lyft Logo

Lyft

Klarna Logo

Klarna

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3 years ago
ML Knowledge
3 years ago
What is your proficiency with ML tools such as TensorFlow or PyTorch?
Data Scientist

Yandex

Cure.Fit Logo

Cure.Fit

Ripple Logo

Ripple

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3 years ago
Analytics Case
3 years ago
Could we possibly split characters X and Y into two different sets so that the graph becomes a bipartite? X is connected to Z. Y is connected to Z. X is connected to Y.
Data Scientist

Yandex

Postmates Logo

Postmates

HubSpot Logo

HubSpot

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3 years ago
Behavioral
3 years ago
A co-worker constantly arrives late to a meeting. What should be done?
Data ScientistProduct ManagerBackend EngineerTechnical Program Manager

Yandex

MPL Logo

MPL

Commvault Logo

Commvault

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3 years ago

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Data Scientist

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Yandex

Data Scientist

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Metrics and Experimentation
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Yandex

Data Scientist

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ML / Modeling
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Yandex

Data Scientist

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Yandex

Data Scientist

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SQL
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Yandex

Data Scientist

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Resume Review
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Yandex

Data Scientist

Prepare for Behavioral interview at Yandex

Behavioral

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

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