{"schemaVersion":"jobsearcher.job.v1","id":"f4dd2d1114f42abcb5854e88","url":"https://jobsearcher.com/jobs/f4dd2d1114f42abcb5854e88","canonicalUrl":"https://jobsearcher.com/jobs/f4dd2d1114f42abcb5854e88","title":"Sr. Frontend Engineer","description":"San Francisco, CAAbout the role\r\nA San Francisco-based startup is looking for a Sr. frontend engineer to build and improve its digital platform. You'll create interactive user interfaces, set engineering standards, and deliver work that impacts users immediately. This role offers a chance to shape the frontend foundation while contributing to a fast-growing team.Key ResponsibilitiesOwn the development of user interfaces from concept to deployment, including ongoing maintenance and monitoring.\r\nEstablish and maintain standards for component architecture, coding quality, and testing practices.\r\nMentor colleagues and introduce reusable frontend patterns and best practices.\r\nCollaborate with stakeholders and end users to clarify requirements and translate designs into production-ready applications.\r\nDevelop responsive web applications using modern frameworks and languages, including React, TypeScript, and contemporary styling systems.\r\nWrite maintainable, well-tested code that scales with the platform.\r\nMake strategic decisions about data flow, application state, and component structure.\r\nWork efficiently in a fast-paced environment, balancing speed with quality and user-centered design.\r\nRequirementsHave 3-6 years of experience delivering frontend systems, particularly in product-focused environments.\r\nDemonstrate the ability to turn visual designs into accessible, production-ready applications.\r\nBe deeply interested in user experience, interface design, and product impact-not just code implementation.\r\nPossess a track record of independently leading substantial projects such as component libraries, feature modules, or performance improvements.\r\nServe as a technical reference within the team and contribute to defining frontend strategy.\r\nMentor and elevate the skills of other team members.\r\nThrive in environments with ambiguous requirements and provide thoughtful, product-minded solutions.\r\nTechnical SkillsCore Frontend:React, TypeScript, Next.js\r\nModern CSS frameworks and component libraries\r\nImplementation of design workflows from visual tools to code\r\nData & State Management:Application state handling and API integration\r\nOptimization of rendering and performance\r\nQuality & Reliability:Testing frameworks and end-to-end validation tools\r\nEmphasis on maintainable, scalable code\r\nSystem & Design Thinking:Reusable component strategies and inclusive design principles\r\nPeer reviews, knowledge sharing, and establishing technical patterns\r\nPreferred AttributesExperience as an early engineer or in high-growth startup environments.\r\nBuilt shared component ecosystems or internal UI libraries.\r\nLed frontend technical strategy or guided team practices.\r\nWorked with analytics or tracking systems to inform product decisions.\r\nDeveloped internal tools such as dashboards, admin panels, or operational interfaces.\r\nPartnered closely with design professionals throughout product development.\r\nComfortable with iterative releases and experimental approaches.\r\nInterest in emerging technologies such as AI, digital commerce, or automation.\r\nContributions to personal projects, open source, or community code initiatives.","company":"Twenty80io","rawCompany":"twenty80io","city":"Millbrae","state":"CA","isRemote":false,"isActive":true,"createdAt":"2026-08-08T01:19:00.419Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-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":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Sr. Frontend Engineer","description":"San Francisco, CAAbout the role\r\nA San Francisco-based startup is looking for a Sr. frontend engineer to build and improve its digital platform. You'll create interactive user interfaces, set engineering standards, and deliver work that impacts users immediately. This role offers a chance to shape the frontend foundation while contributing to a fast-growing team.Key ResponsibilitiesOwn the development of user interfaces from concept to deployment, including ongoing maintenance and monitoring.\r\nEstablish and maintain standards for component architecture, coding quality, and testing practices.\r\nMentor colleagues and introduce reusable frontend patterns and best practices.\r\nCollaborate with stakeholders and end users to clarify requirements and translate designs into production-ready applications.\r\nDevelop responsive web applications using modern frameworks and languages, including React, TypeScript, and contemporary styling systems.\r\nWrite maintainable, well-tested code that scales with the platform.\r\nMake strategic decisions about data flow, application state, and component structure.\r\nWork efficiently in a fast-paced environment, balancing speed with quality and user-centered design.\r\nRequirementsHave 3-6 years of experience delivering frontend systems, particularly in product-focused environments.\r\nDemonstrate the ability to turn visual designs into accessible, production-ready applications.\r\nBe deeply interested in user experience, interface design, and product impact-not just code implementation.\r\nPossess a track record of independently leading substantial projects such as component libraries, feature modules, or performance improvements.\r\nServe as a technical reference within the team and contribute to defining frontend strategy.\r\nMentor and elevate the skills of other team members.\r\nThrive in environments with ambiguous requirements and provide thoughtful, product-minded solutions.\r\nTechnical SkillsCore Frontend:React, TypeScript, Next.js\r\nModern CSS frameworks and component libraries\r\nImplementation of design workflows from visual tools to code\r\nData & State Management:Application state handling and API integration\r\nOptimization of rendering and performance\r\nQuality & Reliability:Testing frameworks and end-to-end validation tools\r\nEmphasis on maintainable, scalable code\r\nSystem & Design Thinking:Reusable component strategies and inclusive design principles\r\nPeer reviews, knowledge sharing, and establishing technical patterns\r\nPreferred AttributesExperience as an early engineer or in high-growth startup environments.\r\nBuilt shared component ecosystems or internal UI libraries.\r\nLed frontend technical strategy or guided team practices.\r\nWorked with analytics or tracking systems to inform product decisions.\r\nDeveloped internal tools such as dashboards, admin panels, or operational interfaces.\r\nPartnered closely with design professionals throughout product development.\r\nComfortable with iterative releases and experimental approaches.\r\nInterest in emerging technologies such as AI, digital commerce, or automation.\r\nContributions to personal projects, open source, or community code initiatives.","datePosted":"2026-08-08T01:19:00.419Z","dateModified":"2026-08-08T01:19:00.419Z","hiringOrganization":{"@type":"Organization","name":"Twenty80io","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"f4dd2d1114f42abcb5854e88"},"url":"https://jobsearcher.com/jobs/f4dd2d1114f42abcb5854e88"}}