This test assesses a potential employee’s knowledge and experience with, a library for real-time communication, networking, protocols, data streaming, event-driven programming, and event broadcasting.

This test will evaluate the candidate’s ability to create and configure applications, debug and troubleshoot issues, and modify code to utilize popular libraries. A successful candidate will demonstrate an understanding of best practices for working with and have the ability to optimize performance, improve reliability, and maintain a secure network.

This test is helpful for potential employees to demonstrate their knowledge and experience with to provide employers with insight into their skillset and potential for success.


column icon



column icon

15 min


column icon



column icon


Hirenest application

Boost Productivity: Join 2000+ Companies Using Hirenest vs. CV’s

section image Tests: Unlocking Efficient Talent Evaluation assessments are a game-changer in the recruitment process, providing HR managers and hiring companies with an efficient and reliable skill test for job candidates. By utilizing pre-employment screening through innovative online platforms like Hirenest, these assessments ensure a streamlined and high-quality evaluation of potential hires. With competitive pricing and cost-effective solutions, this aptitude test offers a comprehensive analysis of candidates' abilities. From examples to questions and answers, assessments provide valuable insights that enhance the hiring process, making it easier for HR professionals to make informed decisions and hire the right talent.
section image

What does Hirenest's test measure? assessments are skill tests used for pre-employment screening. These online tests measure candidates' knowledge in, a popular JavaScript library for real-time web applications. By evaluating their aptitude in this particular area, employers can determine the candidates' competency before an interview. These tests include examples, questions, and answers to assess the candidates' proficiency in, helping HR managers make informed hiring decisions. With cost-effective pricing, assessments ensure that employers hire the most suitable candidates for their development teams.
card image

All-In-One Solution

Find top-notch talent in a flash!

Hirenest offers a wide range of features to simplify the recruitment process, from a rich library of tests and templates to Al scoring and detailed reports. Additionally, a robust ATS system facilitates actions to further streamline the recruitment process.

Learn more
card image

350+ Tests Libary

Unlock the power of 350+ professionally designed tests!

Hirenest offers an extensive selection of tests to suit all assessment needs. Our tests provide invaluable insights into an individual's cognitive aptitude, role-specific competencies, situational judgment, skill proficiency, and personality.

Learn more
section image

Why use Hirenest's test?

Hirenest's test is the perfect solution for HR managers and hiring companies looking to assess job candidates' skills in Our online pre-employment screening provides a comprehensive aptitude test to evaluate candidates' knowledge and ability. With affordable pricing and competitive costs, our assessments offer a convenient and cost-effective way to identify top talent. Our wide range of examples, questions, and answers guarantees an accurate evaluation that can be used as a basis for interviews and ultimately making hiring decisions. Trust Hirenest for all your hiring needs.

Why Hirenest?

Because we use our own platform.

Yes, we use our own pre-employment assessment platform to build the best team possible. And our efforts have paid off: We've scaled our team to more than 50 fantastic members, testing more than 5,000 along the way. And that team has helped us become one of the premier pre-employment testing companies worldwide. (If only we could've tested our office dogs too; managing their behavior is a challenge!)

60,000 +


5,000 +

People hired

45,000 +

Saved hours
for our clients

Problems we solved


of employers admitted to making the mistake of hiring someone unsuitable for a job.


of businesses reported incurring losses of over $75,000 due to incorrect hiring decisions.


chance of a hiring manager making an incorrect hiring choice.


of businesses reported a decrease in output due to an unsuitable hire.


of unstructured job interviews are effective at predicting the best candidates.

Why does it happen?

hiring is difficult due to reliance on subjective, inconsistent opinions.

Call to action section illustrate

Which job roles require the assessment?

Job roles that require tests include web developers, software engineers, and backend developers. These assessments can be used as a skill test during pre-employment screening by HR managers and hiring companies. Online platforms like Hirenest offer aptitude tests at a reasonable price. These tests provide examples, questions, and answers to evaluate a candidate's expertise in By utilizing these assessments, companies can make informed hiring decisions and streamline their interview process.