{"schemaVersion":"jobsearcher.job.v1","id":"cbb90ce59fec643df99bcb1f","url":"https://jobsearcher.com/jobs/cbb90ce59fec643df99bcb1f","canonicalUrl":"https://jobsearcher.com/jobs/cbb90ce59fec643df99bcb1f","title":"Senior Frontend Developer","description":"This range is provided by Harnham. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.\r\nBase pay range\r\n$140,000.00/yr – $160,000.00/yr\r\nDirect message the job poster from Harnham\r\nRecruitment Consultant | Data & Software Engineering at Harnham\r\nSenior Frontend React Developer – AI Interface\r\nLocation: Hybrid (U.S.)\r\nCompensation: $140,000 – $160,000 base + equity\r\nAbout the Company\r\nA rapidly growing AI and cloud technology company is building intelligent, emotionally aware user interfaces that power next-generation human–AI interaction.\r\nThe company's mission is to make artificial intelligence feel intuitive, transparent, and human-centered through thoughtful design and cutting-edge real-time technology.\r\nAs part of its expansion, the engineering team is hiring a frontend leader to help shape how users experience and connect with AI through elegant, responsive, and real-time web applications.\r\nThe Role\r\nThe Senior Frontend React Developer (AI Interface) will take ownership of building the web experience that defines how users engage with the company's AI platform.\r\nYou'll architect and develop a fast, seamless, and beautiful interface that transforms complex real-time data streams from AI models into a natural, conversational experience.\r\nThis role blends technical excellence with design sensitivity — perfect for a frontend engineer who cares deeply about both performance and user emotion in digital interactions.\r\nKey Responsibilities\r\nArchitect & Develop the Frontend: Lead the development of a modern React-based application , making architectural decisions to ensure scalability and maintainability.\r\nBuild Real-Time AI Experiences: Implement a live conversational interface integrating with backend services via WebSockets for streaming audio, transcriptions, and AI responses.\r\nManage Complex State: Leverage modern React Hooks and state management solutions to handle authentication, conversation history, and live AI session states.\r\nCollaborate on UI/UX: Work closely with designers and product managers to translate wireframes and prototypes into pixel-perfect, responsive, and emotionally intelligent interfaces.\r\nWrite High-Quality Code: Deliver clean, maintainable, and well-documented code following modern testing and review practices.\r\nAbout You\r\n5+ years of professional frontend development experience with a strong focus on React.\r\nStrong understanding of React architecture and modern state management patterns.\r\nProficient in RESTful API integration and asynchronous data handling.\r\nFamiliarity with Microsoft Azure and cloud deployment workflows.\r\nPortfolio demonstrating ability to build clean, beautiful, and intuitive user interfaces.\r\nGenuine interest in AI, conversational interfaces, and human-computer interaction.\r\nBachelor's degree in Computer Science or a related field, or equivalent hands-on experience.\r\nBonus Points\r\nExperience with TypeScript.\r\nKnowledge of frontend testing tools such as Jest or React Testing Library.\r\nFamiliarity with UI animation libraries (e.g., Framer Motion).\r\nExposure to avatar or animation-based UI systems.\r\nExperience deploying apps to Azure Static Web Apps.\r\nWhy Join\r\nCompetitive compensation: $140K–160K base + equity\r\nHybrid work flexibility across the U.S.\r\nHealth, dental, and vision coverage\r\nOpportunity to shape the future of human–AI interaction through design and engineering\r\nA collaborative, product-driven team building technology with emotional intelligence at its core\r\nSeniority level\r\nMid-Senior level\r\nEmployment type\r\nFull-time\r\nJob function\r\nEngineering and Information Technology\r\nIndustries\r\nSoftware Development\r\nReferrals increase your chances of interviewing at Harnham by 2x\r\nJ-18808-Ljbffr","company":"Harnham","rawCompany":"harnham","city":"Miami","state":"FL","isRemote":false,"isActive":false,"createdAt":"2026-04-09T15:52:13.150Z","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":"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":"Senior Frontend Developer","description":"This range is provided by Harnham. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.\r\nBase pay range\r\n$140,000.00/yr – $160,000.00/yr\r\nDirect message the job poster from Harnham\r\nRecruitment Consultant | Data & Software Engineering at Harnham\r\nSenior Frontend React Developer – AI Interface\r\nLocation: Hybrid (U.S.)\r\nCompensation: $140,000 – $160,000 base + equity\r\nAbout the Company\r\nA rapidly growing AI and cloud technology company is building intelligent, emotionally aware user interfaces that power next-generation human–AI interaction.\r\nThe company's mission is to make artificial intelligence feel intuitive, transparent, and human-centered through thoughtful design and cutting-edge real-time technology.\r\nAs part of its expansion, the engineering team is hiring a frontend leader to help shape how users experience and connect with AI through elegant, responsive, and real-time web applications.\r\nThe Role\r\nThe Senior Frontend React Developer (AI Interface) will take ownership of building the web experience that defines how users engage with the company's AI platform.\r\nYou'll architect and develop a fast, seamless, and beautiful interface that transforms complex real-time data streams from AI models into a natural, conversational experience.\r\nThis role blends technical excellence with design sensitivity — perfect for a frontend engineer who cares deeply about both performance and user emotion in digital interactions.\r\nKey Responsibilities\r\nArchitect & Develop the Frontend: Lead the development of a modern React-based application , making architectural decisions to ensure scalability and maintainability.\r\nBuild Real-Time AI Experiences: Implement a live conversational interface integrating with backend services via WebSockets for streaming audio, transcriptions, and AI responses.\r\nManage Complex State: Leverage modern React Hooks and state management solutions to handle authentication, conversation history, and live AI session states.\r\nCollaborate on UI/UX: Work closely with designers and product managers to translate wireframes and prototypes into pixel-perfect, responsive, and emotionally intelligent interfaces.\r\nWrite High-Quality Code: Deliver clean, maintainable, and well-documented code following modern testing and review practices.\r\nAbout You\r\n5+ years of professional frontend development experience with a strong focus on React.\r\nStrong understanding of React architecture and modern state management patterns.\r\nProficient in RESTful API integration and asynchronous data handling.\r\nFamiliarity with Microsoft Azure and cloud deployment workflows.\r\nPortfolio demonstrating ability to build clean, beautiful, and intuitive user interfaces.\r\nGenuine interest in AI, conversational interfaces, and human-computer interaction.\r\nBachelor's degree in Computer Science or a related field, or equivalent hands-on experience.\r\nBonus Points\r\nExperience with TypeScript.\r\nKnowledge of frontend testing tools such as Jest or React Testing Library.\r\nFamiliarity with UI animation libraries (e.g., Framer Motion).\r\nExposure to avatar or animation-based UI systems.\r\nExperience deploying apps to Azure Static Web Apps.\r\nWhy Join\r\nCompetitive compensation: $140K–160K base + equity\r\nHybrid work flexibility across the U.S.\r\nHealth, dental, and vision coverage\r\nOpportunity to shape the future of human–AI interaction through design and engineering\r\nA collaborative, product-driven team building technology with emotional intelligence at its core\r\nSeniority level\r\nMid-Senior level\r\nEmployment type\r\nFull-time\r\nJob function\r\nEngineering and Information Technology\r\nIndustries\r\nSoftware Development\r\nReferrals increase your chances of interviewing at Harnham by 2x\r\nJ-18808-Ljbffr","datePosted":"2026-04-09T15:52:13.150Z","dateModified":"2026-04-09T15:52:13.150Z","hiringOrganization":{"@type":"Organization","name":"Harnham","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Miami","addressRegion":"FL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"cbb90ce59fec643df99bcb1f"},"url":"https://jobsearcher.com/jobs/cbb90ce59fec643df99bcb1f"}}