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Product Case
3 years ago
In what way do you measure the retention rate of a product?
Data Scientist
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Optimizely

OpenDoor Logo

OpenDoor

Faire Logo

Faire

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3 years ago
Behavioral
4 years ago
Tell us about why you'd be a good fit for Optimizely?
Data Scientist
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Optimizely

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4 years ago
Statistics
4 years ago
Tell me about the methods you would use to interpret data from an A/B test to gauge differences in campaign effectiveness and test results significance.
Data Scientist
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Optimizely

Blend Logo

Blend

Zalando Logo

Zalando

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4 years ago
Behavioral
4 years ago
How did you overcome a challenge you've faced in a previous role where you had a lot of responsibility?
Data ScientistBackend EngineerProduct ManagerSoftware Engineer
Optimizely Logo

Optimizely

MyGlamm Logo

MyGlamm

HubSpot Logo

HubSpot

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4 years ago
ML Knowledge
4 years ago
Can you walk me through the sequence of steps you take when performing ETL?
Data Scientist
Optimizely Logo

Optimizely

Intel Logo

Intel

Coinbase Logo

Coinbase

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4 years ago
Behavioral
4 years ago
Could you share with me a time when you went the extra mile to accomplish something?
Data ScientistData Engineering ManagerEngineering ManagerUX Designer
Optimizely Logo

Optimizely

Roblox Logo

Roblox

PayPal Logo

PayPal

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4 years ago
Statistics
4 years ago
In a grid with numerical values in each cell, what is the method to find the maximum possible value when traveling from the top-left to the bottom-right corner, moving only down or right?
Data Scientist
Optimizely Logo

Optimizely

Babylon Health Logo

Babylon Health

Zoom Logo

Zoom

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4 years ago
ML Knowledge
4 years ago
What methods have you found useful for determining the most appropriate value of "k" for a given dataset using the K-means algorithm?
Data Scientist
Optimizely Logo

Optimizely

Grammarly Logo

Grammarly

Ola Logo

Ola

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4 years ago
Behavioral
4 years ago
Share a time when you had a disagreement with a member of your team.
Data ScientistData Engineering ManagerEngineering ManagerUX Designer
Optimizely Logo

Optimizely

Dunzo Logo

Dunzo

Adyen Logo

Adyen

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4 years ago
Behavioral
4 years ago
Tell me of an instance where you received unwelcome feedback?
Data ScientistEngineering ManagerUX DesignerUX Researcher
Optimizely Logo

Optimizely

Sprout Social Logo

Sprout Social

NCR Logo

NCR

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4 years ago

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

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