Foxy helps creators make incredible social media content with AI, so they can create more, grow faster, and earn more. We believe that creators are still the most undervalued entrepreneurs on the planet, and we’re giving them AI superpowers.We’re a small but mighty team of eight, moving at breakneck speed. We have zero bureaucracy, zero hierarchy, and zero filters. We say things how they are, call out BS when we see it, and expect you to do the same.In just 100 days, we’ve grown from $0 to $1M ARR, and we’re weeks away from profitability. Now we’re sprinting toward $10M+ ARR within 12 months of monetization, placing us among the fastest-growing consumer startups on the planet.We’re backed by top angel investors and are now in discussions with tier-1 VCs about our first institutional round. This is your opportunity to join a rocket ship just before liftoff.Who You AreYou’re looking for career-defining upside, not work-life balanceYou thrive in extreme-ownership environments with high velocity, and you hate bureaucracyYou want to build, not maintain; to ship real product that users love, fastYou’re obsessed with frontend - from pixel-perfect design to delightful micro-interactionsYou believe animation and UX aren’t just visual flair - they’re why users fall in love with a productWhat You’ll DoDesign and implement complex animation systems using finite state machinesManage intricate UI state transitions across multi-step AI workflowsBuild scalable, performant UIs that handle real-time AI streaming, complex data, and progressive loading statesMake foundational decisions around frontend infrastructure, component libraries, and design patternsMaintain high standards for accessibility, quality, and interface resilienceYour Skills – Must-Have6+ yearsof production experience building complex, user-facing applicationsState management mastery: expert with FSMs (e.g. XState, Zustand) and complex transitionsAnimation architecture: deep understanding of FLIP technique, hardware acceleration, custom choreographyTypeScript expertise: advanced patterns, generics, conditional types, type-safe API designPerformance engineering: Core Web Vitals, memory profiling, virtual scrolling, render performanceAccessibility at scale: WCAG 2.1 AA, screen readers, keyboard navigation for complex flowsTesting excellence: strong experience with visual regression, accessibility, and performance testingYour Skills – Nice-to-HaveBuilding scalable component libraries, design systems, and compound componentsAdvanced animation via Framer Motion, React Spring, or custom enginesComplex data visualization: D3.js, Canvas/WebGLAdvanced build tooling: Webpack, Vite, code splitting strategiesInterfaces for ML/AI systems, especially handling non-deterministic or streaming UXFamiliarity with AI/ML concepts and how to surface them in an intuitive UIThe StackFrontend: TypeScript, React, Next.js, Tailwind CSS, Framer Motion, XStateTesting: Jest, Testing Library, Playwright, ChromaticAI Integration: Streaming APIs, WebSocket-based real-time collaborationInfrastructure: Docker, CDN optimization, edge computing principlesA complex animation system you’ve architected from scratchA performance optimization that improved Core Web Vitals by 20%+Examples of accessible, interactive, complex UIs you’ve built(Optional) Open source contributions or technical writing that demonstrates expertiseTechnical Challenges You Should Thrive OnBuilding a real-time collaborative interface with 60fps animationsImplementing robust state machines for multi-step AI workflowsOptimizing render performance for data-heavy dashboardsArchitecting reusable component libraries for multi-product scalingWhat We OfferTop-of-the-market cash & equity compensation– we only hire the best, and we pay like itAutonomy and ownership– you decide what to do, align with others, and goA world-class team– ambitious, talented builders from top companies and universitiesHigh pressure, high reward– your decisions will directly shape the company’s trajectorySeniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyIndustriesTechnology, Information and InternetReferrals increase your chances of interviewing at Foxy AI by 2xGet notified about new Frontend Developer jobs in San Francisco Bay Area.Mountain View, CA $141,000.00-$202,000.00 3 days agoSan Francisco Bay Area $150,000.00-$200,000.00 8 hours agoSoftware Engineer, Frontend (All Levels)Mountain View, CA $141,000.00-$202,000.00 1 day agoSan Francisco, CA $140,000.00-$200,000.00 3 months agoSan Francisco, CA $176,000.00-$250,000.00 3 days agoPalo Alto, CA $140,000.00-$185,000.00 2 weeks agoSan Francisco, CA $140,000.00-$180,000.00 1 month agoSan Francisco, CA $120,000.00-$150,000.00 1 month agoSan Francisco, CA $105,000.00-$180,000.00 1 month agoPalo Alto, CA $115,000.00-$260,000.00 2 weeks agoSan Francisco, CA $40,000.00-$100,000.00 1 month agoSan Francisco, CA $55,000.00-$95,000.00 1 month agoeCommerce Full Stack Developer (React / Shopify) - On SiteSan Francisco, CA $180,000.00-$210,000.00 2 weeks agoFrontend Software Engineer - University Graduate 2025San Mateo, CA $120,000.00-$165,000.00 1 week agoSan Francisco, CA $130,000.00-$165,000.00 3 weeks agoSan Francisco, CA $60.00-$180.00 1 year agoSan Francisco, CA $165,000.00-$250,000.00 7 months agoSan Francisco, CA $120,000.00-$160,000.00 4 months agoWe’re unlocking community knowledge in a new way. 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