Full Stack Software Engineer

The RoleRaydar is recruiting for this role on behalf of our client. Take ownership of major product areas from concept through production as a hands-on full-stack engineer. Work across interfaces, backend services and infrastructure, collaborating with research and infrastructure colleagues and learning directly from end users. The position is an early-team seat with real influence on product and technical direction.What You'll DoOwn new product areas end to end, from first prototype to production release.Build across the full stack, including interfaces, backend workflows, AI model orchestration and supporting infrastructure.Turn emerging AI capabilities into dependable, intuitive products.Speak with users regularly, learn how they work and iterate quickly on their feedback.Prototype rapidly and make sound product and technical decisions.Help shape the product, the technical architecture and the team culture.What We're Looking ForStrong engineering skills combined with good product judgment and taste.A history of launching customer-facing software that gained real adoption, ideally built from scratch.Comfort working across product, engineering, models and infrastructure rather than in one narrow specialty.Evidence of exceptional ownership, such as founding a company, leading a major product or delivering consequential work at a leading technology company.High agency, speed, ambition and a founder mentality.Approximately 3 to 6 years of applied or product engineering experience, with exceptional candidates at other levels welcome.Comfort in a very early, fast-moving, self-directed environment.Bonus PointsExperience at a company building AI-driven products.Early-team or founder experience.Standout achievement in a competitive field such as programming or math olympiads, quantitative work or elite competition.Location And Work ModelSan Francisco, California, United StatesOn-site, in officeFull-timeCompensation, As The Posting Describes ItEquity