Full Stack Engineer

Founding Full-Stack Engineer — Healthcare AI Infra (Seed, NYC, In-Office)I'm hiring for a seed-stage healthcare AI startup building the RL environments and evals that make clinical AI agents reliable — think training gyms for frontier labs like OpenAI and Anthropic.You'll build one-to-one replicas of real healthcare platforms and internal tooling to help the ML team ship faster. This isn't a specialized role — it's for a high-agency generalist who's fluent with Claude/Cursor and wants to grind on real surface area at a tiny, well-funded startup.Who thrives here:New grad to ~2 YOE with real shipped projects (production, not just coursework)Fluent with modern AI coding tools, moves fastBuilt tooling/automations before, or has that instinctWants ownership, not structureComp: $120K–$160K + 0.25%–0.5% equityLocation: In-office, NYC — no visa sponsorship including H1B transfersPerks: 401(k), gym stipend, mealsNot a fit if you're 3+ YOE, want a narrow/specialized role, or need heavy structure.