{"id":36620,"date":"2023-01-13T07:22:00","date_gmt":"2023-01-13T06:22:00","guid":{"rendered":"https:\/\/www.freelancermap.com\/blog\/?p=36620"},"modified":"2023-01-12T10:29:57","modified_gmt":"2023-01-12T09:29:57","slug":"what-does-react-js-developer-do","status":"publish","type":"post","link":"https:\/\/www.freelancermap.com\/blog\/what-does-react-js-developer-do\/","title":{"rendered":"What Does A React JS Developer Do?"},"content":{"rendered":"\n<p><strong>A React JavaScript developer is in charge of designing and creating user interface components for JavaScript-based web and mobile applications using React &#8211; an open-source JavaScript library. What does a React JS developer do?<\/strong><\/p>\n\n\n<div class=\"mks_col \">\n<div class=\"mks_one_third \"><div class=\"su-box su-box-style-default\" id=\"\" style=\"border-color:#1c1d1f;border-radius:3px;\"><div class=\"su-box-title\" style=\"background-color:#4f5052;color:#FFFFFF;border-top-left-radius:1px;border-top-right-radius:1px\">Role overview<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:1px;border-bottom-right-radius:1px\"> <span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Introduction\">What is React?<\/a><\/span><br \/>\n<span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Responsibilities\">Responsibilities<\/a><\/span><br \/>\n<span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Skills\">Skills<\/a><\/span><br \/>\n<span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Background\">Background<\/a><\/span><br \/>\n<span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Salary\">Salary<\/a><\/span><br \/>\n<\/div><\/div><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Introduction\">What is React?<\/h2>\n\n\n\n<p>React, also called React.js or ReactJS is an <strong>open-source front-end JavaScript library that is completely free to use.<\/strong> Developers use it to<strong> build user interfaces<\/strong> based on UI components.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-src=\"https:\/\/lh3.googleusercontent.com\/G6mYz4hWcq37sw_UYvAfDKpq7cnWgxYJqF016YUxALqmI8kwyhSIpz9b6sCnDykKY0dq-6rALjsR9-3V-1DMTcZ4LOiJpCV4niQTisNKDmA8KMAeVS11_PBD1GaowQJk3eemY9oWS679780pqIR3yS5BkLOftq7vj568X48xMlkXhD87yR0wR6jgvdWsMg\" alt=\"Role Overview - React JS Developer\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><figcaption>Role Overview &#8211; React JS Developer<\/figcaption><\/figure>\n\n\n\n<p>React is an <strong>efficient and flexible platform<\/strong> that was developed by Facebook by a team of individual developers and companies. The advantages of React.js include:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Quicker debugging and rendering<\/li><li>Efficient update and render<\/li><li>Easier to debug<\/li><li>More predictable code<\/li><li>Great for SEOs<\/li><\/ul>\n\n\n\n<p style=\"background-color:#41c0eb;color:#ffffff;font-size:18px\" class=\"has-text-color has-background has-text-align-center\"><a href=\"https:\/\/www.freelancermap.com\/freelancers-directory.html?filter=&amp;newQuery=react&amp;continents=&amp;countries=&amp;states=&amp;city=&amp;radius=&amp;query=&amp;excludeDachRegion=0&amp;sort=1&amp;utm_source=blog&amp;utm_medium=career-EN\">Find the right React JS Developer for your business here<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Responsibilities\">Responsibilities of a React JS Developer<\/h2>\n\n\n\n<p>A React JS developer is in charge of<strong> creating and developing new highly responsive user-facing features using the React library. <\/strong>These professionals meet with development teams in order to discuss these features beforehand and review any application requirements.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-src=\"https:\/\/lh3.googleusercontent.com\/_Bh_b55iH9gQ_BxiySJyBnEPpTdbUXH_J_NDHh1cJC5RlohVLkCdcjaK9wFbgfcKdTsTyefNMy34Pn8dB0JZtpJ_FwfbrER9-YHWMcJgVrgVuNPRI-KS9Por1_xZbXnNHgCScgoMcwv40CTyzVJyECr9kucBff3sRfsRhBsqvAhjBtcYoXoQ3xh_jmtHKg\" alt=\"Responsibilities of a React JS Developer\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><figcaption>Responsibilities of a React JS Developer<\/figcaption><\/figure>\n\n\n\n<p>React JS developers are responsible for building reusable components and front-end libraries and writing application codes by following<strong> react.js workflows.<\/strong><\/p>\n\n\n\n<p>These professionals optimise components for performance, troubleshoot any interface software errors, and debug application codes.<\/p>\n\n\n\n<p><strong>What are React JS developers responsible for?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Discussing user interface ideas with development team<\/li><li>Recognising and reviewing application requirements<\/li><li>Translating design ideas into code<\/li><li>Developing new responsive user interface components using React<\/li><li>Building reusable components&nbsp;<\/li><li>Creating front-end libraries<\/li><li>Writing application codes by following react.js workflows<\/li><li>Optimising components for performance<\/li><li>Troubleshooting interface software<\/li><li>Debugging application codes<\/li><li>Monitoring and improving front-end performance<\/li><li>Documenting application changes<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Skills\">Skills of a React JS Developer<\/h2>\n\n\n\n<p>React JS developers are extremely knowledgeable when it comes to the <strong>React JavaScript library. <\/strong>They have <strong>in-depth knowledge of most React tools<\/strong> including react.js, Redux, Webpack, etc.<\/p>\n\n\n\n<p>These professionals have experience working with user interface design and are also familiar with data structure libraries like <strong>Immutable.js.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-src=\"https:\/\/lh6.googleusercontent.com\/EXYgdTf7Y3voCvU_nb2JZlh56GWWFCy9LuvGMQQ8Lz0ZIp52ryO_oerWj2wKIBwFvHaigyoNiLT4h5XUdJMaRRDqeCXnEYUMFgL7pfbNIML-cG-XQGEmd2udlIFxbAYVBLo9E-QQPkVuz_RNdTrJUrQfQ80kswC_0XSkgPbJP2JpJkJvbwHWlU3mKTyUNg\" alt=\"Skills of a React JS Developers\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><figcaption>Skills of a React JS Developers<\/figcaption><\/figure>\n\n\n\n<p>React JS developers have experience with performance testing frameworks like <strong>Mocha and Jest<\/strong> and are also familiar with modern front-end build pipelines and tools.<\/p>\n\n\n\n<p>In terms of soft skills, professionals in this field are good at project management and have excellent troubleshooting skills and analytical thinking skills.<\/p>\n\n\n\n<p><strong>What are the skills of a React JS developer?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>In-depth knowledge of React JavaScript library<\/li><li>Experience with React tools such as react.js, Redux, Webpack<\/li><li>Experience working with user interface design<\/li><li>Familiarity with data structure libraries like Immutable.js.<\/li><li>Experience with performance testing frameworks like Mocha and Jest<\/li><li>In-depth knowledge of JavaScript, CSS, and HTML<\/li><li>Experience with browser-based debugging<\/li><li>Familiarity with code versioning tools such as Git and SVN<\/li><li>Familiarity with modern front-end build pipelines and tools<\/li><li>Strong project management skills<\/li><li>Excellent troubleshooting skills&nbsp;<\/li><li>Good analytical thinking&nbsp;<\/li><\/ul>\n\n\n\n<div class=\"wp-block-group has-background\" style=\"background-color:#5200ff\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-text-align-center has-text-color has-background has-link-color wp-elements-6d82840a84b8da60ba6e070480373475\" style=\"color:#ffffff;background-color:#5200ff;font-size:16px\"><br>Join our <strong>IT freelancer community<\/strong> today! Create your freelance profile in just <strong>2 minutes<\/strong>.&nbsp;&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"su-button-center\"><a href=\"https:\/\/www.freelancermap.com\/registration?ref=blog-com\" class=\"su-button su-button-style-default\" style=\"color:#5200FF;background-color:#3CFFD0;border-color:#30cca7;border-radius:20px\" target=\"_self\"><span style=\"color:#5200FF;padding:0px 20px;font-size:16px;line-height:32px;border-color:#77ffdf;border-radius:20px;text-shadow:none\"> <strong>Sign up for free!<\/strong><\/span><\/a><\/div><\/br><\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Background\">Background and education<\/h2>\n\n\n\n<p>To work as a React JS developer, you will need a <strong>Bachelor\u2019s degree in Computer Science, IT, or a related field.<\/strong> Prior extensive knowledge and <strong>proficiency in <\/strong><a href=\"https:\/\/www.freelancermap.com\/blog\/what-does-javascript-developer-do\/\"><strong>JavaScript<\/strong><\/a> will also help you land better paying jobs in this field.<\/p>\n\n\n\n<p>To develop skills needed to perform well as a React JS developer, consider taking <strong>courses<\/strong>. You can find options for these down below:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.udemy.com\/course\/react-js-and-redux-mastering-web-apps\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\">React JS Web Development &#8211; The Essentials Bootcamp<\/a><\/li><li><a href=\"https:\/\/www.udemy.com\/course\/typescript-react-js-course-with-react-typescript-project\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\">Typescript &amp; React JS Course with React &amp; Typescript Project<\/a><\/li><li><a href=\"https:\/\/www.udemy.com\/course\/typescript-for-professionals\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\">TypeScript for Professionals &#8211; 2023 Edition<\/a><\/li><li><a href=\"https:\/\/www.udemy.com\/course\/mastering-node-npm-webpack\/?ranMID=39197&amp;ranEAID=CuIbQrBnhiw&amp;ranSiteID=CuIbQrBnhiw-Eu.JUTFM0lP3yh1UydTFHg&amp;LSNPUBID=CuIbQrBnhiw&amp;utm_source=aff-campaign&amp;utm_medium=udemyads\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\">Mastering Node, NPM &amp; Webpack<\/a><\/li><\/ul>\n\n\n\n<p style=\"background-color:#41c0eb;color:#ffffff;font-size:18px\" class=\"has-text-color has-background has-text-align-center\"><a href=\"https:\/\/www.freelancermap.com\/it-projects.html?filter=&amp;newQuery=react&amp;continents=&amp;countries=&amp;states=&amp;city=&amp;radius=&amp;query=&amp;excludeDachProjects=0&amp;sort=1&amp;utm_source=blog&amp;utm_medium=career-EN\">Find React projects here<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Salary\">Salary of a React JS Developer<\/h2>\n\n\n\n<p>React JS developers generally earn an average of<strong> $120,000 <\/strong>per year. Those who are just starting out can earn around <strong>$100,800<\/strong> whereas developers with years of experience and skills can earn around <strong>$150,000 <\/strong>per year.<\/p>\n\n\n\n<p>Keep in mind that salaries can differ depending on different factors such as location, previous experience, industry, etc.<\/p>\n\n\n\n<p>In Germany, the salary range for React JS developers is <strong>\u20ac36,000 &#8211; \u20ac55,000<\/strong> whereas those in the UK earn between<strong> \u00a327,000 &#8211; \u00a377,000.<\/strong><\/p>\n\n\n\n<p><strong>How much do React JS developers earn?<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">US<\/td><td class=\"has-text-align-center\" data-align=\"center\">$100,800 &#8211; $150,000<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Germany<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u20ac36,000 &#8211; \u20ac55,000<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">UK<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a327,000 &#8211; \u00a377,000<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>How much do freelance React JS developers make?<\/strong><\/p>\n\n\n\n<!--\n    Use the <style> below to style the box.\n\n    This <style> should ideally be placed inside <head><\/head>.\n      If that is not possible, keep it above the box itself.\n\n    If you use the box inside a container, that already limits the width,\n      set \"width: 100%\" inside #fm-hourly-rate-box.\n      This is necessary, if you like the box to be responsive.\n-->\n<style>\n    #fm-hourly-rate-box {\n        margin: auto;\n        width: 100%;\n        padding: 24px;\n        background: white;\n        border-radius: 10px;\n        box-shadow: 2px 4px 20px 0 rgb(90 90 90 \/ 16%);\n        text-align: center;\n        line-hight: 1.5\n    }\n\t   \n\t#fm-hourly-rate-box .fm-hourly-rate-rate {\n        font-size: 30px;\n        font-weight: bold;\n    }\n\n\n    #fm-hourly-rate-box .fm-hourly-rate-explain {\n\t\tmargin: 30px 0 0 0;\n}\n\n    #fm-hourly-rate-box .fm-hourly-rate-percentiles-text {\n\t\tmargin: 0;\n    }\n\t\n    #fm-hourly-rate-box .fm-daily-rate-rate {\n        font-size: 30px;\n        font-weight: bold;\n    }\n \n\n    #fm-hourly-rate-box .fm-date {\n\t    font-size: 12px;\n\t\tpadding-top: 25px;\n        \n    }\n\n<\/style>\n\n<div id=\"fm-hourly-rate-box\">\n\n    <p class=\"fm-hourly-rate-explain\"><b>React JS Developers<\/b> on <a href=\"\/freelancers-directory.html\">freelancermap<\/a> charge on average:<\/p>\n\t\n\t<div class=\"fm-hourly-rate-rate\">\n        $<span id=\"fm-hourly-rate-number\"><\/span>\/hour\n    <\/div>\n\n<p class=\"fm-hourly-rate-percentiles-text\">Rates in this field range between  <b>$<span id=\"fm-hourly-rate-percentile25\">33<\/span> and $<span id=\"fm-hourly-rate-percentile75\">106<\/span>\/hour<\/b> for most freelancers.<\/p>\n\n<p class=\"fm-hourly-rate-explain\">The <b>daily rate for React JS Developers<\/b> (8 working hours) would be around:<\/p>\n\n\t<div class=\"fm-daily-rate-rate\">\n            $<span id=\"fm-daily-rate-number\"><\/span>\/day\n    <\/div>\n    \n    <div class=\"fm-date\">\n        Stand <span id=\"fm-date-date\"><\/span> \n    <\/div>\n<\/div>\n\n\n\n<!--\n    This <script> loads the hourly-rate, daily-rate and date from the server when the page is loaded.\n     It must be placed below the box, ideally at the end of the page (e.g. footer).\n     \n    The server will respond with a formatted number, rounded to full euros.\n-->\n<script>\n    (function(){\n        \/\/ change this\n        const searchPhrase = 'react';\n\n        \/\/ keep this in sync with the domain you are using\n        const domain = 'www.freelancermap.com';\n\n        \/\/ do not change anything below\n        fetch(`https:\/\/${domain}\/price-index\/webhook?q=${encodeURIComponent(searchPhrase)}`)\n                .then(r => r.json())\n                .then(d => {document.getElementById('fm-hourly-rate-number').innerHTML = d.hourly;\n                            document.getElementById('fm-daily-rate-number').innerHTML = d.hourly*8;\n                            document.getElementById('fm-hourly-rate-percentile25').innerHTML = d.percentiles[\"25.0\"].toFixed(0);\n                            document.getElementById('fm-hourly-rate-percentile75').innerHTML = d.percentiles[\"75.0\"].toFixed(0);\n                            document.getElementById('fm-date-date').innerHTML = (new Date()).toLocaleDateString()\n                            });\n                }())\n<\/script>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Other interesting job profiles<\/h2>\n\n\n\n\n<ul class=\"su-posts su-posts-list-loop \">\n\n\t\t\t\t\t\t\n\t\t\t\n\t\t\t<li id=\"su-post-25542\" class=\"su-post \">\n\t\t\t\t<a href=\"https:\/\/www.freelancermap.com\/blog\/what-does-pacs-administrator-do\/\">What does a PACS Administrator do?<\/a>\n\t\t\t<\/li>\n\n\t\t\t\t\t\n\t\t\t\n\t\t\t<li id=\"su-post-5707\" class=\"su-post \">\n\t\t\t\t<a href=\"https:\/\/www.freelancermap.com\/blog\/what-does-tax-advisor-do\/\">What does a Tax Advisor do?<\/a>\n\t\t\t<\/li>\n\n\t\t\t\t\t\n\t\t\t\n\t\t\t<li id=\"su-post-5604\" class=\"su-post \">\n\t\t\t\t<a href=\"https:\/\/www.freelancermap.com\/blog\/what-does-hiring-manager-do\/\">What does a Hiring Manager do?<\/a>\n\t\t\t<\/li>\n\n\t\t\t\n<\/ul>\n\n\n\n\n<p> \u00bb\u00a0<a href=\"https:\/\/www.freelancermap.com\/blog\/freelance-job-profiles-it-roles\/#job-profiles-other\">More job profiles<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>A React JavaScript developer is in charge of designing and creating user interface components for JavaScript-based web and mobile applications using React &#8211; an open-source JavaScript library. What does a React JS developer do?<\/p>\n","protected":false},"author":3120,"featured_media":36622,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[2993,3974],"tags":[3419,3413],"class_list":["post-36620","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-careers","category-software-development","tag-career-insights","tag-job-profiles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Does A React JS Developer Do?<\/title>\n<meta name=\"description\" content=\"\u2713 Responsibilities \u2713 Background \u2713 Skills \u2713 Salary \u2713 Freelance rates \u2794 Explore the role of a React JS Developer now!\" \/>\n<meta name=\"robots\" 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