TestGorilla LogoTestGorilla Logo

Numpy online test: Pre-employment screening assessment to hire the best candidates

Type: Programming skills
Time: 10 min
Languages: English, Dutch, French, German, Spanish
Level: Intermediate

Summary of the NumPy test

This NumPy test evaluates candidates’ knowledge of NumPy and their ability to solve situational tasks using the Python library’s functionalities. The test will help you identify candidates who are proficient in NumPy.

Covered skills

  • Creating NumPy arrays

  • Manipulating NumPy arrays

  • Using basic built-in functions

  • Using advanced built-in functions

Use the NumPy test to hire

Data engineers, data analysts, data visualization creators, machine learning engineers, artificial intelligence engineers and any other roles requiring intermediate knowledge of the NumPy Python library.

graphic for programming skills tests

About the NumPy test

NumPy is one of the most powerful Python libraries and is used in industry for array computing. NumPy offers a convenient tool for working with data containing multi-dimensional arrays and matrix data structures. In our age of information and technologies, any business deals with massive amounts of data. It is crucial to efficiently organize that data to access and use it easily in everyday activities.

This NumPy test assesses candidates’ knowledge and skills in working with data using NumPy functionalities. These include the creation of NumPy arrays, which are user-friendly containers for storing information, manipulating those arrays, and navigating both basic and advanced built-in functions that can be used automatically instead of writing the code from scratch.

Candidates who perform well on this test demonstrate strong knowledge of NumPy and can find solutions for different problems while dealing with and manipulating data. This NumPy test is geared toward an intermediate level and requires not only theoretical but also practical experience to solve real-life scenarios that one can encounter when working with NumPy.

The test is made by a subject-matter expert

Gary R.

Gary has been working in the data science field for more than three years and is proficient in the fields of machine learning and data analysis. He has a Bachelor’s degree in Economics and a Master’s degree in Computer Science. The combination of those two fields helps Gary to achieve even greater results. He is fond of computer science and loves to work on projects related to Artificial Intelligence which is, in his opinion, the future of our world.

Crafted with expert knowledge

TestGorilla’s tests are created by subject matter experts. We assess potential subject-matter experts based on their knowledge, ability, and reputation. Before being published, each test is peer-reviewed by another expert, then calibrated using hundreds of test takers with relevant experience in the subject. Our feedback mechanisms and unique algorithms allow our subject-matter experts to constantly improve their tests.

What our customers are saying

TestGorilla helps me to assess engineers rapidly. Creating assessments for different positions is easy due to pre-existing templates. You can create an assessment in less than 2 minutes. The interface is intuitive and it’s easy to visualize results per assessment.

Review from G2
David Felipe C.

VP of engineering, mid-market (51-1000 FTE)

Any tool can have functions—bells and whistles. Not every tool comes armed with staff passionate about making the user experience positive.

The TestGorilla team only offers useful insights to user challenges, they engage in conversation.

For instance, I recently asked a question about a Python test I intended to implement. Instead of receiving “oh, that test would work perfectly for your solution,” or, “at this time we’re thinking about implementing a solution that may or may not…” I received a direct and straightforward answer with additional thoughts to help shape the solution.

I hope that TestGorilla realizes the value proposition in their work is not only the platform but the type of support that’s provided.

For a bit of context—I am a diversity recruiter trying to create a platform that removes bias from the hiring process and encourages the discovery of new and unseen talent.

Review from G2
High quality assessments
David B.

Chief Talent Connector, small business (50 or fewer FTE)

Use TestGorilla to hire the best faster, easier and bias-free

Our screening tests identify the best candidates and make your hiring decisions faster, easier, and bias-free.

Learn how each candidate performs on the job using our library of 400+ scientifically validated tests.

Test candidates for job-specific skills like coding or digital marketing, as well as general skills like critical thinking. Our unique personality and culture tests allow you to get to know your applicants as real people – not just pieces of paper.

Watch what TestGorilla can do for you

Create high-quality assessments, fast

Building assessments is a breeze with TestGorilla. Get started with these simple steps.

Building assessments is quick and easy with TestGorilla. Just pick a name, select the tests you need, then add your own custom questions.

You can customize your assessments further by adding your company logo, color theme, and more. Build the assessment that works for you.

View a sample report

The NumPy test will be included in a PDF report along with the other tests from your assessment. You can easily download and share this report with colleagues and candidates.

Find exceptional engineers with this online NumPy test

The NumPy library is a powerful tool for one of the most popular programming languages, Python, and many companies are looking to hire talented NumPy engineers. Is yours among them? Need to know if your applicants understand how to work with data in NumPy? To do it and be sure that their skills meet the criteria of your open role, our NumPy test is one of the best options you can find online to evaluate your applicants’ knowledge and skills. It’s a hiring tool designed to assist you in hiring the best engineers for your business.

No need to stress if you haven’t discovered an innovative, effortless way to evaluate seasoned NumPy engineers as a non-technical recruiter. This is precisely what our experts created the online NumPy test for.

NumPy experts can ensure your organization finds exceptional solutions for complex problems as they handle and manipulate data in NumPy. Having a skilled NumPy engineer on your team can help your business take advantage of code optimization features and compressing memory space options when handling arrays in NumPy. NumPy arrays are much more compact than a Python list, which is why having an expert in NumPy on your team can ensure faster and more efficient runtimes.

And yet, recruiting the right NumPy professional can be a challenge. There’s a combination of technical and non-technical skills to assess, and you may have tens or hundreds of applications you need to screen. Naturally, we have unconscious biases, which may impact our hiring decisions. So which approach can make recruitment more manageable and faster? How can you avoid unconscious biases when hiring?

Use this NumPy test online to assess applicants in an instant

This NumPy skills test assesses a range of skills. Find out quickly whether your applicants can create NumPy arrays and manipulate them, use containers to store information, and use built-in functions to avoid starting from scratch when writing code.

Using this NumPy test online to evaluate applicants means you’ll never face any issues with unconscious bias or lengthy recruitment times, and won’t have to deal with the tedious task of screening tens or hundreds of CVs.

Find out whether your applicants have the 4 vital NumPy skills with this NumPy online test

Determining whether your applicants have the right NumPy skills in the 4 key areas of expertise is simple. Use this NumPy skills test to evaluate the skills listed just below and find out if your applicants are suited to your role.

In-depth knowledge of making NumPy arrays

Creating NumPy arrays is the first sub skill you can evaluate using our NumPy test online. If you want to determine whether your applicants understand what arrays are used for and how to build a collection of items that are classed as the same data type, you can test this ability with TestGorilla’s NumPy skills test.

Expertise in NumPy arrays manipulation

To use the grid of values or array data structures efficiently, applicants should have an in-depth knowledge of using NumPy arrays and know how to manipulate them to store data collections. Our test features the right NumPy questions to help you evaluate your applicants’ ability to manipulate NumPy arrays.

Skills related to using the essential built-in NumPy functions

Various essential built-in NumPy functions assist engineers with arithmetic functions and enable them to deal with complex figures and equations. With this NumPy skills test, you can easily figure out whether your applicants have the right skills to use these crucial built-in NumPy functions.

Proficiency in using the advanced built-in NumPy functions

Some of the NumPy functions are more advanced and require a higher level of expertise. Our test features the right NumPy questions to evaluate whether applicants are proficient in using NumPy’s advanced built-in functions, such as vectorize().

Use a data-driven assessment to evaluate NumPy engineers’ abilities

TestGorilla’s NumPy skills test offers reliable test scores (provided as percentages) for every candidate who completes the skills test. With the automatic scoring feature, you can simply look at the percentages, where 100% is the highest, to determine whether your applicants’ NumPy skills are the right match for your role. Proficient professionals also designed the NumPy skills test to mitigate unconscious bias. Use the data provided by our NumPy skills test to make the best decision and hire the perfect candidate.

Choose TestGorilla’s NumPy skills test to hire first-rate engineers

Want to know the advantages of using our NumPy skills test? Here’s how it will reveal which engineers are the best among your applicants and make the hiring process smoother.

Use an unbiased skills assessment to hire exceptional NumPy engineers

Our NumPy skills test is the top solution for unbiased hiring. Staying objective in recruitment can be challenging, but when you use our NumPy test online you’ll encounter no difficulties in creating an objective hiring process.

So, if you’re wondering what’s needed to make unbiased hiring choices, this online NumPy test is for you. It ensures you’ll get the data you need from applicants to hire objectively. You simply need to create your first skills assessment with our NumPy test and invite candidates to complete it.

Evaluate applicants who may be more technically proficient than you

There’s another challenge you may face, and that’s hiring an applicant who may have more technical skills than you do. Which method can assist you in situations like these? Our NumPy skills test will provide the support you need to complete the candidate assessment phase even in cases where the applicant has superior NumPy skills and knowledge than you. This skills test assesses even the most advanced functions of NumPy, helping you hire true experts.

Save time and tackle hiring challenges with skills tests

Resumes that stack higher than your ceiling can be pretty intimidating when hiring a NumPy expert, but this doesn’t have to stand in your way. If you use our NumPy skills test instead of resume screening, you can save a lot of time – and your evaluation of applicants’ skills will be much more accurate. Just administer the test and wait for the results, and you’ll see that hiring the right applicant can be done much faster than ever before.

Improve the quality of hire with this NumPy skills test

We get it. You want a solution that will help you find the best NumPy engineers in a minimal amount of time.

The secret is our online NumPy test that businesses like Oracle and Majorel have adopted. 6,000 companies and their recruitment teams have chosen TestGorilla to improve their hiring. Join them to streamline your recruitment and make better hires, faster.


Related tests

New test

Coding: Data Structures – Binary Trees

This intermediate-level coding challenge assesses candidates' proficiency in manipulating binary search trees, in the programming language of their choice. You can configure which programming languages will be available for your candidates.
35 min
New test


This MySQL test evaluates a candidate’s ability to use MySQL to efficiently and accurately manipulate, manage, and illuminate data in relational databases. This hiring test will help you hire developers who will leverage MySQL to answer complex questions.
10 min
New test

NoSQL Databases

This NoSQL Databases skills test evaluates candidates’ ability to manage large-scale data. This screening test will help you hire professionals who can innovate with NoSQL technologies, contributing significantly to your data management capabilities.
10 min
New test

Coding: Data Structures – Strings

This intermediate-level coding challenge assesses candidates' proficiency in manipulating strings. You can configure which programming languages will be available for your candidates.
35 min

Coding: Data Structures – Linked Lists

This intermediate-level coding test evaluates candidates' ability to manipulate linked lists, in the programming language of their choice. You can configure which programming languages will be available for your candidates.
35 min

Advanced Networking in Google Cloud Platform (GCP)

This Advanced Networking in Google Cloud Platform (GCP) test assesses candidates’ ability to design, secure, and manage network architectures on GCP. This screening test will help you hire experts in building resilient, secure, and scalable solutions.
10 min

Advanced Networking in Azure

This Advanced Networking in Azure test assesses candidates' ability to design, secure, and optimize Azure network solutions. Use this test to identify experts who can leverage the Azure ecosystem for your organization’s success.
10 min

Neural Networks

This Neural Networks test evaluates a candidate's ability to design, optimize, and apply advanced neural network technologies. This screening test will help you hire AI specialists who can innovate and drive business growth with neural networks.
10 min

Coding: Debugging

This intermediate-level coding challenge focuses on candidates’ ability to interpret and debug code, based on a set of requirements, in the programming language of their choice. You can configure which programming languages will be available.
35 min

Advanced networking in Amazon Web Services (AWS)

This Advanced Networking in Amazon Web Services (AWS) test evaluates candidates' ability to design, secure, and manage intricate AWS network architectures. This test will help you ensure robust, scalable solutions in the cloud landscape.
10 min