Product Engineer

TypeSafe AIProduct Engineer LocationSan Francisco OfficeEmployment TypeFull timeLocation TypeOn-siteDepartmentMember of Technical StaffCompensationBase salary: $180K – $280K • Offers EquityAbout TypeSafeTypeSafe is a frontier model lab. We build reliable and general AI systems to power economically valuable automation. Our mission is to usher in a new era of Transformative Artificial Intelligence (TAI): technology with the power to drive a societal shift on the scale of the agricultural and industrial revolutions.While others chase benchmarks and academic puzzles, we've been quietly rethinking the LLM stack from first principles — building a new kind of general frontier model designed for real-world reliability, decision-making, and autonomy in production.We're a small, fast-moving team from OpenAI, Google Brain, and Meta/FAIR, backed by top-tier investors. Since mid-2024, we've been engineering the foundation for what comes after the current "state-of-the-art" — a model that actually gets things done.About the roleWe're looking for a product engineer who ships customer-facing product fast. You'll own features end-to-end — from prototype to production — turning our frontier models into polished, reliable products that customers love. You'll combine strong product sense, full-stack engineering, and a bias for shipping to define what our product experience feels like in the real world.Our tech stack is primarily Python. We also use TypeScript, Next.js, and Tailwind CSS for frontend, with Kubernetes for orchestration. We empower developers to use any tooling they find helpful for getting their job done, including Claude Code and Cursor.What you'll doOwn product features end-to-end — from design and prototype to production — with craft and judgmentBuild polished, reliable user interfaces on top of our frontier modelsRapidly prototype and iterate on new product ideas, shipping fast and learning from real usagePartner closely with product, design, and customers to translate real-world needs into product improvementsInstrument, measure, and improve product quality, reliability, and performanceContribute across the stack — frontend, backend, and infrastructure — wherever you can add the most leverageWe are looking for people whoAre strong full-stack engineers (~2–7 yrs) with excellent product intuitionHave shipped customer-facing products and care deeply about craft and detailAre scrappy and hacky, and thrive in ambiguous, fast-moving problem spaces — taking satisfaction in finding creative solutionsMove fast without sacrificing qualityHave hands-on experience building with LLMs and understand their capabilities and limitationsEnjoy owning problems end-to-end and thinking beyond the code to how products are used in the real worldLife at TypeSafeWe're a small, flat, close-knit team dedicated to real-world impact preparing the world for Transformative AI. Our team works fully in-person in our San Francisco office near Embarcadero station. We love what we do and care about our work a lot.We strive for excellence and craftsmanship and won't stop until we get there. When the team wins, we all win, and we enjoy collaborating and inspiring each other to grow as a team and as individuals.We also value emotional honesty, kindness, and bringing your whole self to work. We build machines; we don't try to be machines.We want you to be able to do the most impactful work of your career at TypeSafe and help define our future as a company.We provideBase salary of $180k–280k plus equity, based on leveling100% covered health insuranceDaily lunch and dinnerVisa sponsorships401K plansApply for this Job