{"id":8348,"date":"2026-07-27T10:24:51","date_gmt":"2026-07-27T08:24:51","guid":{"rendered":"https:\/\/itds.pl\/it-jobs\/senior-react-js-front-end-developer-web-applications\/"},"modified":"2026-07-27T10:27:35","modified_gmt":"2026-07-27T08:27:35","slug":"senior-react-js-front-end-developer-web-applications","status":"publish","type":"matador-job-listings","link":"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/","title":{"rendered":"Senior React.js Front-End Developer \u2013 Web Applications"},"content":{"rendered":"<p><strong>Empower innovation in web development \u2014 shape the future of seamless user experiences!<\/strong><\/p> <p><strong>Location &amp; Work Model:<\/strong><br \/> Remote, EU \u2013 5 days per week<\/p> <p><strong>As a Senior React.js Front-End Developer \u2013 Web Applications, you will be working for our client, a leading player in the digital solutions industry. This role focuses on building high-performance, accessible web interfaces that elevate user engagement. Join us to craft innovative front-end experiences and accelerate your career growth in a dynamic environment.<\/strong><\/p> <p><strong>Your main responsibilities:<\/strong><\/p> <ul> <li>Develop responsive, accessible user interfaces from design specifications to production rollout<\/li> <li>Build and maintain applications using React.js and Next.js (or similar modern frameworks)<\/li> <li>Write clean, well-structured, and thoroughly tested code to ensure quality and maintainability<\/li> <li>Collaborate closely with designers, back-end developers, and product teams to deliver end-to-end features<\/li> <li>Optimize applications for performance, SEO, and cross-browser compatibility<\/li> <li>Participate in code reviews, contribute to front-end development standards, and promote best practices<\/li> <li>Leverage AI-assisted development tools to accelerate delivery and enhance code quality<\/li> <\/ul> <p><strong>You&#8217;re ideal for this role if you have:<\/strong><\/p> <ul> <li>Minimum of 6 years of experience in front-end development<\/li> <li>Strong expertise in modern JavaScript (ES6+) and TypeScript<\/li> <li>Proven experience with React.js and at least one major framework such as Next.js<\/li> <li>Solid knowledge of HTML5, CSS3, including responsive and accessible design principles<\/li> <li>Experience with REST APIs and asynchronous data handling<\/li> <li>Familiarity with version control systems like Git<\/li> <li>Good understanding of web performance optimization and accessibility standards<\/li> <\/ul> <p><strong>It is a strong plus if you have:<\/strong><\/p> <ul> <li>Production experience with Next.js (SSR, SSG, routing, API routes)<\/li> <li>Knowledge of state management tools like Redux, Zustand, or React Query<\/li> <li>Experience with styling solutions like Tailwind, styled-components, or CSS Modules<\/li> <li>Testing expertise with tools such as Jest, React Testing Library, Cypress, or Playwright<\/li> <li>Hands-on experience with AI tools in development workflows (Claude, LLM APIs, prompt engineering)<\/li> <\/ul> <p><strong>Nice to Have:<\/strong><\/p> <ul> <li>UX\/UI Design skills and ability to translate wireframes into high-quality interfaces<\/li> <li>Familiarity with design tools such as Figma, Sketch, or Adobe XD<\/li> <li>Understanding of design systems and component libraries<\/li> <\/ul> <p><strong>Language Required for the role:<\/strong><br \/> Fluent and professional command of English<\/p> <p><strong>Eligibility to work in the European Union:<\/strong><br \/> Only candidates with an existing legal right to work in the EU will be considered for this role.<\/p> <p><strong>#MAKEYourCareerBETTER<\/strong><br \/> Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.<\/p> <nav class=\"matador-job-navigation\"> <ul> <li> <a href=\"https:\/\/itds.pl\/pl\/?wpid=8348&#038;bhid=9713\" rel=\"button\" class=\"matador-button\" title=\"Apply Now\">Apply Now<\/a> <\/li> <li> <a href=\"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/\" rel=\"button\" class=\"matador-button matador-button-secondary\" title=\"More Info\">More Info<\/a> <\/li> <\/ul> <\/nav> ","protected":false},"excerpt":{"rendered":"<p>Empower innovation in web development \u2014 shape the future of seamless user experiences! Location &amp; Work Model: Remote, EU \u2013 5 days per week As a Senior React.js Front-End Developer \u2013 Web Applications, you will be working for our client, a leading player in the digital solutions industry. This role focuses on building high-performance, accessible &hellip; <a href=\"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/\">Continued<\/a><\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false,"_matador_source_id":"9713"},"matador-categories":[],"matador-locations":[],"matador-types":[25],"matador-remote-job-possible":[254],"matador-skills":[183],"matador-seniority":[211,177],"matador-position":[174],"matador-technology":[959,1518,1517,2498,1519],"matador-contract-type":[402],"matador-priority":[288],"matador-language":[179],"matador-place":[459],"matador-visibility":[704],"matador-choose-website-to-publis":[449],"class_list":["post-8348","matador-job-listings","type-matador-job-listings","status-publish","hentry","matador-types-contract","matador-remote-job-possible-remote","matador-skills-developer","matador-seniority-expert","matador-seniority-senior","matador-position-banking","matador-technology-frameworks","matador-technology-libraries","matador-technology-programming-languages","matador-technology-software-platforms","matador-technology-tools","matador-contract-type-b2b","matador-priority-2-medium","matador-language-english","matador-place-eu","matador-visibility-online","matador-choose-website-to-publis-poland"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Senior React.js Front-End Developer \u2013 Web Applications | ITDS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Senior React.js Front-End Developer \u2013 Web Applications | ITDS\" \/>\n<meta property=\"og:description\" content=\"Empower innovation in web development \u2014 shape the future of seamless user experiences! Location &amp; Work Model: Remote, EU \u2013 5 days per week As a Senior React.js Front-End Developer \u2013 Web Applications, you will be working for our client, a leading player in the digital solutions industry. This role focuses on building high-performance, accessible &hellip; Continued\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/\" \/>\n<meta property=\"og:site_name\" content=\"ITDS\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-27T08:27:35+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/\",\"url\":\"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/\",\"name\":\"Senior React.js Front-End Developer \u2013 Web Applications | ITDS\",\"isPartOf\":{\"@id\":\"https:\/\/itds.pl\/pl\/#website\"},\"datePublished\":\"2026-07-27T08:24:51+00:00\",\"dateModified\":\"2026-07-27T08:27:35+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/itds.pl\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Job Listings\",\"item\":\"https:\/\/itds.pl\/pl\/praca\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Senior React.js Front-End Developer \u2013 Web Applications\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/itds.pl\/pl\/#website\",\"url\":\"https:\/\/itds.pl\/pl\/\",\"name\":\"ITDS\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/itds.pl\/pl\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/itds.pl\/pl\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/itds.pl\/pl\/#organization\",\"name\":\"ITDS\",\"url\":\"https:\/\/itds.pl\/pl\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/itds.pl\/pl\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/itds.pl\/app\/uploads\/2026\/05\/ITDS_logo-1.png\",\"contentUrl\":\"https:\/\/itds.pl\/app\/uploads\/2026\/05\/ITDS_logo-1.png\",\"width\":650,\"height\":400,\"caption\":\"ITDS\"},\"image\":{\"@id\":\"https:\/\/itds.pl\/pl\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Senior React.js Front-End Developer \u2013 Web Applications | ITDS","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/","og_locale":"pl_PL","og_type":"article","og_title":"Senior React.js Front-End Developer \u2013 Web Applications | ITDS","og_description":"Empower innovation in web development \u2014 shape the future of seamless user experiences! Location &amp; Work Model: Remote, EU \u2013 5 days per week As a Senior React.js Front-End Developer \u2013 Web Applications, you will be working for our client, a leading player in the digital solutions industry. This role focuses on building high-performance, accessible &hellip; Continued","og_url":"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/","og_site_name":"ITDS","article_modified_time":"2026-07-27T08:27:35+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/","url":"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/","name":"Senior React.js Front-End Developer \u2013 Web Applications | ITDS","isPartOf":{"@id":"https:\/\/itds.pl\/pl\/#website"},"datePublished":"2026-07-27T08:24:51+00:00","dateModified":"2026-07-27T08:27:35+00:00","breadcrumb":{"@id":"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/itds.pl\/pl\/praca\/senior-react-js-front-end-developer-web-applications\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/itds.pl\/pl\/"},{"@type":"ListItem","position":2,"name":"Job Listings","item":"https:\/\/itds.pl\/pl\/praca\/"},{"@type":"ListItem","position":3,"name":"Senior React.js Front-End Developer \u2013 Web Applications"}]},{"@type":"WebSite","@id":"https:\/\/itds.pl\/pl\/#website","url":"https:\/\/itds.pl\/pl\/","name":"ITDS","description":"","publisher":{"@id":"https:\/\/itds.pl\/pl\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/itds.pl\/pl\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pl-PL"},{"@type":"Organization","@id":"https:\/\/itds.pl\/pl\/#organization","name":"ITDS","url":"https:\/\/itds.pl\/pl\/","logo":{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/itds.pl\/pl\/#\/schema\/logo\/image\/","url":"https:\/\/itds.pl\/app\/uploads\/2026\/05\/ITDS_logo-1.png","contentUrl":"https:\/\/itds.pl\/app\/uploads\/2026\/05\/ITDS_logo-1.png","width":650,"height":400,"caption":"ITDS"},"image":{"@id":"https:\/\/itds.pl\/pl\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-job-listings\/8348","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-job-listings"}],"about":[{"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/types\/matador-job-listings"}],"wp:attachment":[{"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/media?parent=8348"}],"wp:term":[{"taxonomy":"matador-categories","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-categories?post=8348"},{"taxonomy":"matador-locations","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-locations?post=8348"},{"taxonomy":"matador-types","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-types?post=8348"},{"taxonomy":"matador-remote-job-possible","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-remote-job-possible?post=8348"},{"taxonomy":"matador-skills","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-skills?post=8348"},{"taxonomy":"matador-seniority","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-seniority?post=8348"},{"taxonomy":"matador-position","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-position?post=8348"},{"taxonomy":"matador-technology","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-technology?post=8348"},{"taxonomy":"matador-contract-type","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-contract-type?post=8348"},{"taxonomy":"matador-priority","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-priority?post=8348"},{"taxonomy":"matador-language","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-language?post=8348"},{"taxonomy":"matador-place","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-place?post=8348"},{"taxonomy":"matador-visibility","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-visibility?post=8348"},{"taxonomy":"matador-choose-website-to-publis","embeddable":true,"href":"https:\/\/itds.pl\/pl\/wp-json\/wp\/v2\/matador-choose-website-to-publis?post=8348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}