Hire 1568 React.js developers from 230 vetted agencies

Victoria K.
Silicon Valley based Mobile/Web Developer with 6 + years of experience. Main stack: React Native, JavaScript, Node.js, React.js
All rates are indicative, annual rate includes 10% discount
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Updated: 17 Jul 2020
Natali S.
JavaScript (Angular, React, Node) developer
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Updated: 06 May 2020
Bohdan D.
Trusty web and mobile developer with over 5 years of experience. Extensive knowledge of React.js, Redux, React Native, TypeScript, JavaScript.
An analytical and results-oriented information technology professional with wide-ranging expertise in web design, software development, mobile applications and quality assessment. Possesses a proven...
3 Projects completed
GMT+3 Middle East
All rates are indicative, annual rate includes 10% discount
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Updated: 05 May 2020
Nazar T.
Front-end developer with 10 years of experience in IT, 6 years of them as JS front-end developer in commercial projects.
All rates are indicative, annual rate includes 10% discount
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Updated: 12 Nov 2019
All rates are indicative, annual rate includes 20% discount
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Updated: 04 Sep 2020
Mikhail S.
JavaScript ( AngularJS, React.js, Node.js,) and React Native full stack developer with healthtech projects in the portfolio
All rates are indicative, annual rate includes 20% discount
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Updated: 28 Aug 2020
Full-stack developer (JS, Node)
Yevgen is a proficient Full-stack developer with experience in Web development for over 4 years. He has profound stable knowledge in such technologies as React.js, Node. He has experience working i...
2 Projects completed
GMT+2 East Europe
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Updated: 16 Jun 2020
React Native/ React.js developer with expertise in creating Trading & Product Platforms and Social Networks
All rates are indicative, annual rate includes 22% discount
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Updated: 25 Feb 2020
Experienced Angular2+/React.js developer from Ukraine with over 3 years of extensive software engineering experience.
Over 3+ last years I'm working with such technologies: React.js, Angular2+, Redux, TypeScript, Express, Npm, HTML, CSS, Bootstrap etc. I used to deliver high quality and test covered code to my clie...
3 Projects completed
GMT+3 Middle East
All rates are indicative, annual rate includes 10% discount
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Updated: 05 May 2020
Senior JS Front-End developer(React, React Native, Angular)
Vladyslav is a proficient Front-end developer with experience in Web development for over 4 years. He has profound stable knowledge in such technologies as React.js, React Native , AngularJS. As a...
6 Projects completed
GMT+2 East Europe
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Updated: 23 Jul 2020
All rates are indicative, annual rate includes 10% discount
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Updated: 10 Sep 2020

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React.js

Interviewing a ReactJS Developer: A Survival Guide

As of 2017, ReactJS is still among the most popular JavaScript libraries for building user interfaces. Therefore, there is an ever-growing need for highly-qualified ReactJS developers. In this article, we are going to highlight the 20 key technical skills that you should spot when interviewing a ReactJS programmer.

Top 20 Tech Skills of a ReactJS Programmer

What is typically required from a ReactJS developer? Here is a list of more or less standard skills:

  1.  Knowledge of web development fundamentals: HTML, and CSS, and JavaScript.
  2.  Experience with CSS preprocessors and frameworks, such as SASS, LESS, BootStrap, etc.
  3.  Deep understanding of React.js, its core principles and differences from other JavaScript frameworks.
  4.  Familiarity with React Native (if your project involves mobile application development).
  5.  Hands-on experience with JavaScript, including the JavaScript object model and DOM manipulation.
  6.  Knowledge of JSX syntax.
  7.  Experience with popular React.js workflows and architectural patterns, such as Flux or Redux.
  8.  Familiarity with new specifications of EcmaScript.
  9.  Ability to transform the design wireframes into front-end code.
  10. In-depth understanding of algorithms, data structures, and system design.
  11. Expertise with data structure libraries, such as Immutable.js.
  12. Good knowledge of RxJS library for reactive programming.
  13. Knowledge of modern authorization mechanisms, such as JSON Web Token.
  14. Experience with common front-end development tools, such as Webpack, Babel, NPM, etc.
  15. Understanding business requirements and ability to convert them into technical requirements.
  16. Knowledge of JavaScript-based building and automation tools, such as Grunt, Gulp, NPM, and Bower.
  17. Familiarity with responsive design and cross-browser compatibility principles.
  18. Familiarity with/experience in building and integrating REST APIs.
  19. Understanding of stateless components.
  20. Experience with unit testing frameworks.

Additionally, professional ReactJS programmers should have such soft skills as excellent communication skills and ability to learn quickly, because the front-end technologies are constantly evolving.

This is basically what you need to ask when interviewing a ReactJS developer. We hope that you will quickly find an ideal candidate and wish you good luck and happy hiring.