{"schemaVersion":"jobsearcher.job.v1","id":"035a12ca0bfc48a8967fcba1","url":"https://jobsearcher.com/jobs/035a12ca0bfc48a8967fcba1","canonicalUrl":"https://jobsearcher.com/jobs/035a12ca0bfc48a8967fcba1","title":"Senior Mobile Developer (React Native)","description":"Location: San Francisco, CA (In-Office, 4-5 Days/Week)\nType: Full-time\nExperience Level: Senior (5+ years), Lead/Staff (7+ years)\nStart Date: ASAP\nAbout Us\nWe’re building GOLD, the next-generation super shopping app — a powerful, intuitive AI shopping agent designed to streamline how people discover and buy products online. Our mission is to help people get the best deals on the products they love, through a seamless and delightful shopping experience. Early launches have shown that users love the experience, and the company is entering growth mode to bring this experience into more hands.\nWe’re an early-stage startup based in San Francisco, led by the founder of GoogleX, Waymo and Udacity. Our team is lean, driven, and highly collaborative. If you're excited about building impactful technology from the ground up — and working shoulder-to-shoulder with an experienced founder — we’d love to meet you.\nWhat You’ll Do\nLead the design, development, and deployment of our flagship iOS app built with React Native\nBuild and maintain high-performance and scalable mobile experiences\nCollaborate closely with design, product, backend engineering and AI research teams to ship shopping features\nDefine the architecture and technical roadmap for the iOS app as we scale\nOwn critical product features end-to-end, from prototype to production\nHelp set and promote mobile engineering best practices, code quality, and performance standards\nProvide mentorship and technical guidance to other engineers as we grow the team\n\nWhat We’re Looking For\n5-7+ years of professional mobile development experience, with proven expertise shipping consumer-facing apps\nDeep expertise in React Native and strong experience with TypeScript/Node.js\n\nSolid understanding of iOS-specific tooling (Xcode, provisioning, TestFlight) and deployment processes\nExperience integrating with REST APIs\nStrong grasp of mobile performance optimization, offline-first design, and UI/UX best practices\nComfortable working across the stack with backend engineers when needed\nBonus: experience with e-commerce or high-traffic consumer apps\nBonus: past experience leading teams or mentoring other developers\nBonus: previous experience with Expo Framework\n\nOur Tech Stack\nMobile App: React Native, TypeScript\nBackend: TypeScript (Node.js) and Python\nInfrastructure: Google Cloud Platform\nCI/CD: GitHub Actions, TestFlight, EAS\n\nWhy Join Us\nMake an impact – Your work will be foundational to the product and user experience\nIn-person collaboration – Join a focused, fast-moving team working together daily in San Francisco\nProven leadership – Work directly with a founder who has built transformative technology companies\nStartup ownership – Influence product and engineering decisions from day one\nCompensation & equity – Well-funded startup with competitive salary, meaningful equity","company":"Sage Ai Labs","rawCompany":"sage ai labs","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-08-10T13:47:50.460Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1221.00","title":"Computer and Information Research Scientists","slug":"computer-and-information-research-scientists"}],"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 Mobile Developer (React Native)","description":"Location: San Francisco, CA (In-Office, 4-5 Days/Week)\nType: Full-time\nExperience Level: Senior (5+ years), Lead/Staff (7+ years)\nStart Date: ASAP\nAbout Us\nWe’re building GOLD, the next-generation super shopping app — a powerful, intuitive AI shopping agent designed to streamline how people discover and buy products online. Our mission is to help people get the best deals on the products they love, through a seamless and delightful shopping experience. Early launches have shown that users love the experience, and the company is entering growth mode to bring this experience into more hands.\nWe’re an early-stage startup based in San Francisco, led by the founder of GoogleX, Waymo and Udacity. Our team is lean, driven, and highly collaborative. If you're excited about building impactful technology from the ground up — and working shoulder-to-shoulder with an experienced founder — we’d love to meet you.\nWhat You’ll Do\nLead the design, development, and deployment of our flagship iOS app built with React Native\nBuild and maintain high-performance and scalable mobile experiences\nCollaborate closely with design, product, backend engineering and AI research teams to ship shopping features\nDefine the architecture and technical roadmap for the iOS app as we scale\nOwn critical product features end-to-end, from prototype to production\nHelp set and promote mobile engineering best practices, code quality, and performance standards\nProvide mentorship and technical guidance to other engineers as we grow the team\n\nWhat We’re Looking For\n5-7+ years of professional mobile development experience, with proven expertise shipping consumer-facing apps\nDeep expertise in React Native and strong experience with TypeScript/Node.js\n\nSolid understanding of iOS-specific tooling (Xcode, provisioning, TestFlight) and deployment processes\nExperience integrating with REST APIs\nStrong grasp of mobile performance optimization, offline-first design, and UI/UX best practices\nComfortable working across the stack with backend engineers when needed\nBonus: experience with e-commerce or high-traffic consumer apps\nBonus: past experience leading teams or mentoring other developers\nBonus: previous experience with Expo Framework\n\nOur Tech Stack\nMobile App: React Native, TypeScript\nBackend: TypeScript (Node.js) and Python\nInfrastructure: Google Cloud Platform\nCI/CD: GitHub Actions, TestFlight, EAS\n\nWhy Join Us\nMake an impact – Your work will be foundational to the product and user experience\nIn-person collaboration – Join a focused, fast-moving team working together daily in San Francisco\nProven leadership – Work directly with a founder who has built transformative technology companies\nStartup ownership – Influence product and engineering decisions from day one\nCompensation & equity – Well-funded startup with competitive salary, meaningful equity","datePosted":"2026-08-10T13:47:50.460Z","dateModified":"2026-08-10T13:47:50.460Z","hiringOrganization":{"@type":"Organization","name":"Sage Ai Labs","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"035a12ca0bfc48a8967fcba1"},"url":"https://jobsearcher.com/jobs/035a12ca0bfc48a8967fcba1"}}