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Coding
2 years ago
Please provide a function that can reverse a string.
Data ScientistMachine Learning Engineer
EPAM Systems Logo

EPAM Systems

Yext Logo

Yext

Snowflake Logo

Snowflake

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2 years ago
SQL
2 years ago
Write a query to calculate the rolling average of a certain metric over a period of time?
Data Scientist
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EPAM Systems

Workday Logo

Workday

Udacity Logo

Udacity

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2 years ago
Behavioral
2 years ago
Tell me about a time you had multiple competing priorities. How did you handle this?
Data ScientistBackend EngineerProduct ManagerNetwork Engineer
EPAM Systems Logo

EPAM Systems

LendingClub Logo

LendingClub

OpenDoor Logo

OpenDoor

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2 years ago
ML Knowledge
2 years ago
What machine learning model have you found intriguing, and can you describe its operation?
Data ScientistMachine Learning Engineer
EPAM Systems Logo

EPAM Systems

Onfido Logo

Onfido

Anaplan Logo

Anaplan

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2 years ago
Coding
2 years ago
What would be your approach to creating a sequence iterator class in Python?
Data Scientist
EPAM Systems Logo

EPAM Systems

Medallia Logo

Medallia

Indeed.com Logo

Indeed.com

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2 years ago
Statistics
2 years ago
What is the significance of the X and Y axes on a ROC curve, and how does it impact the analysis process?
Data Scientist
EPAM Systems Logo

EPAM Systems

Whatsapp Logo

Whatsapp

Agoda Logo

Agoda

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2 years ago
Behavioral
2 years ago
What are your metrics for success?
Data ScientistData Engineering ManagerML Engineering ManagerEngineering Manager
EPAM Systems Logo

EPAM Systems

Google Logo

Google

Mixpanel Logo

Mixpanel

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2 years ago
Statistics
2 years ago
What approach would you use to explain regression to an executive with no statistical background?
Data Scientist
EPAM Systems Logo

EPAM Systems

Reddit Logo

Reddit

Nutanix Logo

Nutanix

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2 years ago
Statistics
2 years ago
What is meant by the concepts of parametric and non-parametric approaches in statistical analysis, and how do these two methods differ in their assumptions and applicability?
Data Scientist
EPAM Systems Logo

EPAM Systems

Rackspace Logo

Rackspace

Zulily Logo

Zulily

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2 years ago
ML Knowledge
2 years ago
What is the significance of batch normalization and dropout in the machine learning domain?
Data Scientist
EPAM Systems Logo

EPAM Systems

Sony Logo

Sony

Rovio Logo

Rovio

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2 years 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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