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Jobs/Fullstack Engineer - Cofounder

Fullstack Engineer - Cofounder

The General Intelligence Company of New York

New York Full-time$225k–$300k / year Posted 13d ago
Above market. This role pays above the $190k median for similar USD roles (393 comparable postings in our corpus).
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ABOUT COFOUNDER At General Intelligence, we’re building highly-capable autonomous agents for startups. Our goal is to enable the one-person, one-billion-dollar company. Our product, Cofounder, enables entrepreneurs to start and run companies. Using it should feel more like a company-building game where users coordinate agents, unlock roadmap nodes, run missions, build artifacts, grow departments, and make revenue go up. WHAT YOU’LL OWN * End-to-end product work across the agent experience: flows, integrations, and UI/UX * Flows: creation, editing, run criteria, execution reliability, and observability * Integrations: add new integrations and deepen existing ones * UI/UX: work on novel, interesting ways of building human<>agent interactions * Product sense for complex UX: making powerful systems feel simple and reliable * Ship features across the stack with a tight feedback loop from real users (frontend + backend) * Improve performance, reliability, and cost across agent runs and flow execution * Build instrumentation, analytics, and developer tooling to speed up iteration * Maintain a high bar for code quality, tests, observability, and documentation REQUIREMENTS * 4+ years building and shipping user-facing products end to end * Frontend: React/Next.js (or equivalent), TypeScript; component-driven development, performance profiling, accessibility, data fetching/state, optimistic UI and cache invalidation * Backend: Python FastAPI, background workers/queues, webhooks, Postgres (or similar) schema design, transactions, migrations * Solid testing and observability habits (unit/integration tests, metrics, traces, structured logs) * Bias to ship: scope thin slices, deliver quickly, instrument, iterate NICE TO HAVE * Event-driven architectures, WebSockets/real-time UIs * LLM/agent experience: tool-use patterns, prompt hygiene, guardrails, evaluation * Infra familiarity (Vercel/AWS/Modal/Supabase/Redis Cloud or equivalent), CI/CD, feature flags WHY JOIN * Ship directly to engaged users; your work is visible and high-impact * Build the core of an autonomous agent platform with real integrations and real workloads * Small, elite team; high ownership; fast decisions; zero bureaucracy

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