React Interview Questions and Answers 2022: Key to Finding Ideal Developer

competitive tech recruitment market, a major stumbling block for hiring managers is asking the right interview questions to the applicants. ReactJS being so densely jampacked with a tremendous demand makes it more challenging for recruiters to find the ideal fit for the role. This is because there is a severe talent crunch in the global market for skilled and qualified talent. So how to find a suitable React developer?

Importance of React Developer Pre-employment Test

Apart from the challenge of asking the right questions, there are several other stuck that tech managers face daily. Hiring React developers is no longer a 3 step process of calling candidates for an interview, conducting a coding test, and sending an appointment letter. As the market has become competitive, there are several hiring stages that a candidate needs to pass, such as preliminary screening, a skills evaluation test, a cultural fitness examination, React developer pre-employment test, excelling in the interview, and then deciding on a salary.

Along with the right set of React interview questions and answers 2022, pre-employment tests are equally crucial as they help analyze the qualifications and skills of the talent. Everything stated on the resume might not essentially be transparent and crystal clear in reality. Additionally, the demand to hire React developers is constantly on the rise, but talent is scarce, which is why businesses are competing to find the right talent, making the talent market more expensive.

Thus, a test can help ascertain the truthfulness of resume claims and ensure that you hire a skilled, competent, and experienced React developer. This will curtail your recruitment costs and improve business productivity by validating the candidate’s skill set.

React Interview Questions and Answers 2022: Junior Developer

Entry-level React developers come with the least experience or might even be freshers, and thus they demand less salary. The qualification and skills requirements are also basic such as basic working knowledge of ReactJS, HTML, JavaScript, and CSS is required and should be a fast learner.

When hiring Junior developers, ask the following questions as a part of React developer pre-employment test:

• Draft a sample of a simple HTML document with header information and page content. The applicant’s answer must include the following points:

• HTML documents are different.

• HTML documents have a basic structure that includes the head and body.

• There are various section tags such as DOCTYPE, meta, body, etc.

• What is ReactJS?

The applicant’s answer must cover the following details:

• ReactJS is an open-source JavaScript library.

• It helps develop single-page applications.

• Require less coding in creating the applications.

• How do you intend to learn a new JavaScript library?

The applicant’s response should have the following details:

• With web development constantly evolving, developers must have the drive to learn.

• The interviewee must clearly state the kind of information they need and how they plan to find it.

React Interview Questions and Answers 2022: Intermediate Developer

A mid-level ReactJS developer is someone with a minimum of 3-4 years of experience who is highly skilled and efficient with the ability to guide junior developers.

When hiring intermediate developers, ask the following questions as a part of React developer pre-employment assessment:

• What is Virtual DOM and its significance?

The applicant’s answer must include the following points:

• Being a crucial aspect of ReactJS, the candidate should be able to state the main problems with DOM manipulation and the benefits of using virtual DOM.

• What are the components in React?

The applicant’s answer must cover the following details:

• ReactJS is a component-based framework where components act as the building blocks of ReactJS applications.

• It helps split UI into multiple single and reusable pieces.

• What unit testing tools would you use in a ReactJS application?

The applicant’s response should have the following details:

• Unit testing is the practice of testing isolated code segments to ensure they function correctly.

• Key testing tools include React, unit, Enzyme, Jest, Skin-deep, etc.

React Interview Questions and Answers 2022: Senior Developer

An experienced developer should be well-versed with extensive knowledge of ReactJS and other frameworks with the ability to design, upgrade, and maintain apps.

The senior React interview questions to ask a candidate should include:

• What kind of React patterns are you aware of?

The applicant’s answer must include the following points:

• The several React patterns include High Order Component (HOC), Render Prop, Function as children, and Container and Presentational components.

• How active are you in the ReactJS community?

The applicant’s answer must cover the following details:

• The candidate must mention their involvement in the community and talk about their open source development as clearly as possible.

• What aspects do you look for when checking another teammate's code?

The applicant’s response should have the following details:

• The interviewee must cover topics such as code functionality, style conventions, security issues, simplicity, readability, regulatory demands, and resource optimization.

Conclusion

In a nutshell, asking the appropriate React interview questions and answers 2022 plays a vital role in choosing the perfect candidate for your React development project. The questions discussed above help gain many insights about the applicant's knowledge, experience, technical and soft skills, expertise, etc.

If you are perplexed regarding what questions you should ask as a hiring manager, reach out to Uplers for help. It is a talent network that will offer you a pre-vetted pool of the top 3.5% of global React talent. They can guide you with the right questions to ask while interviewing the shortlisted candidates to finalize your hire. To connect, reach out to us on LinkedIn.

Content Strategist At Uplers. Loves to read novels and write books