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Data Visualization
10 months ago
How can one effectively illustrate data that spans many dimensions visually?
Data Scientist

EPAM Systems

Sprout Social Logo

Sprout Social

SwiftKey Logo

SwiftKey

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10 months ago
Coding
10 months ago
Can you describe your strategy for identifying the maximum sum subsequence within a number array?
Data Scientist

EPAM Systems

Course Hero Logo

Course Hero

Deloitte Logo

Deloitte

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10 months ago
Coding
10 months ago
If you were to sort this array in descending order, what value would be in the 18th position?
Data Scientist

EPAM Systems

Cloudera Logo

Cloudera

Commvault Logo

Commvault

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10 months ago
ML Knowledge
a year ago
What sets the BERT structure apart from the BiLSTM, and how does it work?
Data Scientist

EPAM Systems

DataRobot Logo

DataRobot

LiveRamp Logo

LiveRamp

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a year ago
ML Knowledge
a year ago
What is your understanding of the term tf-idf? How does it help in information retrievals?
Data Scientist

EPAM Systems

Faire Logo

Faire

Ola Logo

Ola

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a year ago
SQL
a year ago
What method would you use to find the top 5 most popular items based on previous order histories?
Data Scientist

EPAM Systems

Rippling Logo

Rippling

GitLab Logo

GitLab

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a year ago
Behavioral
a year ago
Can you explain your process for analyzing data, from acquiring the data to sharing the results with stakeholders?
Data Scientist

EPAM Systems

Redfin Logo

Redfin

Stitch Fix Logo

Stitch Fix

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a year ago
Behavioral
a year ago
Describe the typical workflow of a Data Science project from start to finish.
Data Scientist

EPAM Systems

Cisco Logo

Cisco

Arm Logo

Arm

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a year ago
Statistics
a year ago
Please show how to create a Bernoulli distributed matrix in Python, with each matrix element divided by the column sum.
Data Scientist

EPAM Systems

Patreon Logo

Patreon

Google Logo

Google

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a year ago
ML System Design
a year ago
Describe the architecture you would design when coming up with a system for Bing image search.
Data Scientist

EPAM Systems

Transferwise Logo

Transferwise

Etsy Logo

Etsy

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a year ago

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

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