{"schemaVersion":"jobsearcher.job.v1","id":"41df40c5b66687b76cdcc952","url":"https://jobsearcher.com/jobs/41df40c5b66687b76cdcc952","canonicalUrl":"https://jobsearcher.com/jobs/41df40c5b66687b76cdcc952","title":"Senior Frontend Developer","description":"We're working with a leading technology solutions provider, delivering innovative digital transformation services to global enterprises.The Role Develop responsive, accessible, and high-performance UI components using React and TypeScript Implement predictable state management using Redux Toolkit (RTK) and Redux best practices Build and maintain application routing with React Router Write reliable unit and component tests using Vitest, with familiarity with Playwright for end-to-end testing Collaborate with cross-functional teams to translate requirements into high-quality features Optimize rendering, API interactions, and overall frontend performanceWhat You'll Need Strong experience with React (v18) and modern TypeScript Solid understanding of Redux, Redux Toolkit, and global state patterns Experience with React Router for single-page application navigation Proficiency with Vitest or other modern JavaScript testing frameworks Familiarity with Playwright for automated end-to-end testing Strong knowledge of ES6, HTML5, CSS3, and component-driven architectureWhat's On Offer Opportunity to work on high-quality, scalable, and performant user interfaces Collaboration with product design and backend teams Focus on modern best practices and clean architecture Engaging long-term projectApply via Haystack today!","company":"Haystack","rawCompany":"haystack","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-09-01T08:22:42.048Z","occupations":[{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1255.00","title":"Web and Digital Interface Designers","slug":"web-and-digital-interface-designers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Frontend Developer","description":"We're working with a leading technology solutions provider, delivering innovative digital transformation services to global enterprises.The Role Develop responsive, accessible, and high-performance UI components using React and TypeScript Implement predictable state management using Redux Toolkit (RTK) and Redux best practices Build and maintain application routing with React Router Write reliable unit and component tests using Vitest, with familiarity with Playwright for end-to-end testing Collaborate with cross-functional teams to translate requirements into high-quality features Optimize rendering, API interactions, and overall frontend performanceWhat You'll Need Strong experience with React (v18) and modern TypeScript Solid understanding of Redux, Redux Toolkit, and global state patterns Experience with React Router for single-page application navigation Proficiency with Vitest or other modern JavaScript testing frameworks Familiarity with Playwright for automated end-to-end testing Strong knowledge of ES6, HTML5, CSS3, and component-driven architectureWhat's On Offer Opportunity to work on high-quality, scalable, and performant user interfaces Collaboration with product design and backend teams Focus on modern best practices and clean architecture Engaging long-term projectApply via Haystack today!","datePosted":"2026-09-01T08:22:42.048Z","dateModified":"2026-09-01T08:22:42.048Z","hiringOrganization":{"@type":"Organization","name":"Haystack","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"41df40c5b66687b76cdcc952"},"url":"https://jobsearcher.com/jobs/41df40c5b66687b76cdcc952"}}