Data Science online tests

Devskiller Data Science online tests were formulated by our team of specialists to help you test for junior, middle, and senior roles. Our Data Science online tests are perfect for both technical screening online interviews.

Devskiller Data Science online tests are powered by the RealLifeTesting™ methodology. This technology allows you to narrow down your search and hire the candidate with the right skill set.

Python
MIDDLE
Tested skills
Duration
96 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Python

Programming task - Level: Medium

Python | Pandas | A food delivery startup - Transform a database of orders by reducing its dimensionality and creating an additional analytical table.

Available in Team and Enterprise plans

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Python
JUNIOR
Tested skills
Duration
45 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Python

Programming task - Level: Easy

Python | Client Base Creator - Implement the application to retrieve customer's contact data from the chat messages.

Available in Team and Enterprise plans

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Python
MIDDLE
Tested skills
Duration
70 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Machine Learning, Python

Programming task - Level: Medium

Python | DNA Analyzer | Create and clean DNA strands - Implement 2 methods in Python that create and clean DNA strands.

Available in Team and Enterprise plans

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Python
JUNIOR
Tested skills
Duration
49 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Machine Learning

Programming task - Level: Easy

Python | DNA Analyzer - Implement a method in Python that generates DNA statistical report.

Available in Team and Enterprise plans

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NumPy
MIDDLE
Tested skills
Duration
80 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of *SQL

Programming task - Level: Medium

Python | NumPy | Aircraft measurement data processing - Complete data processing application that aggregates and compresses data streams using NumPy, Python and Data Analysis.

Available in Team and Enterprise plans

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Python
JUNIOR
Tested skills
Duration
54 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL

Programming task - Level: Easy

Python | DNA Analyzer - Implement a method in Python that generates DNA statistical report.

Available in Team and Enterprise plans

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Python
MIDDLE
Tested skills
Duration
70 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Python

Programming task - Level: Medium

Python | NumPy | Aircraft measurement data processing - Complete data processing application that aggregates and compresses data streams using NumPy, Python and Data Analysis.

Available in Team and Enterprise plans

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Python
MIDDLE
Tested skills
Duration
80 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Machine Learning, Python

Programming task - Level: Medium

Python | DNA Analyzer | Create and clean DNA strands - Implement 2 methods in Python that create and clean DNA strands.

Available in Team and Enterprise plans

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Python
MIDDLE
Tested skills
Duration
80 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Machine Learning, Python

Programming task - Level: Medium

Python Data Extraction, Processing - Complete and update the code for the program that extracts processes PDF files and converts them to a specific format for display/output.

Available in Team and Enterprise plans

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Android
MIDDLE
Tested skills
Duration
102 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Machine Learning, Android

Programming task - Level: Medium

Android | Social Network login - Implement missing sections of LoginActivity and MainActivity, LoginManager and CredentialsStorage.

Available in Team and Enterprise plans

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