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Founding Full-Stack Engineer

Empathy Talent · San Francisco Bay Area

📅 21/08/2026
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Location: San Francisco, CA (Onsite or Hybrid) Job Type: Full-time Role: Engineering – Full Stack Experience: 3+ years Work Authorization: U.S. citizen or valid U.S. work visa required Compensation Base Salary: $175,000 – $250,000 Equity: 0.25% – 2.00% This is an opportunity to become the first engineering hire at a fast-growing AI startup, partnering directly with the founders to build the product from the ground up while helping define the engineering culture, architecture, and long-term technical vision. You'll have ownership across the entire platform—from AI systems and backend infrastructure to user-facing experiences—while solving complex technical challenges that will directly impact the product's success. What You'll Be Doing Partner directly with founders and early customers to shape product direction through continuous user feedback. Design, build, and ship full-stack features that become the foundation of the platform, including authentication, payments, storage, and core application services. Improve and scale AI-powered systems, making agentic workflows more reliable, intelligent, and production-ready. Develop prompt engineering strategies, evaluation frameworks, and tooling to continually improve AI performance and output quality. Build highly scalable cloud infrastructure capable of supporting millions of production applications. Help establish engineering best practices, technical standards, and a high-performance development culture from day one. What They're Looking For Strong experience building production-ready applications using React, TypeScript, and Node.js . A builder's mentality with a high degree of ownership—you enjoy taking ideas from concept through production. Comfortable working in a fast-paced startup where you'll solve problems across the entire technology stack. Passion for creating exceptional user experiences with an eye for product quality and craftsmanship. Excited by ambiguity, moving quickly, and helping shape both the product and the company. Technology The platform is built around an AI-first architecture designed to simplify modern application development through an integrated technology stack. Core Stack React TypeScript Node.js Cloud Infrastructure AWS (Lambda, CloudFront, S3, and related services) Neon Database What Makes This Opportunity Different You'll be joining at the earliest stage, where your technical decisions will have a lasting impact. The team has built a sophisticated AI platform featuring: Proprietary AI-first development framework Custom runtime supporting both frontend and backend execution Secure sandbox environment for AI-generated code Advanced multi-agent AI system with intelligent debugging capabilities Custom deployment infrastructure optimized specifically for AI-powered applications If you're looking for a true 0→1 founding opportunity where you'll help architect both the product and the engineering organization while working at the intersection of AI and full-stack development, this is the type of role that rarely comes to market.
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