Founding AI Engineer - Supernal

Founding Engineer — Supernal Remote (US & EU Friendly) | Full-Time | Equity + Salary Website: getsupernal.ai Supernal is building the operating system for businesses powered by AI employees. AI employees are here — and they're redefining how businesses operate. At Supernal, we turn any tedious, manual process into an AI-powered workflow, managed through a delightful interface and accessible from web to phone. Businesses can now scale faster with smaller human teams empowered by large teams of AI employees. We believe this is a trillion-dollar opportunity . As a founding engineer , you'll help invent the infrastructure and interfaces that make it possible. Supernal has already reached multi-million dollar revenue within months , and we're just getting started. Why This Role Exists We're looking for a well-rounded, full-stack founding engineer to help us build robust AI systems and product experiences end-to-end. You'll work directly with the founders on everything from core architecture to shipping new AI-powered features. If you're a systems thinker, rapid builder, and care deeply about great UX and AI performance — we'd love to meet you. What You'll Do Architect and scale RAG pipelines, agent-based systems, and LLM-powered workflows Fine-tune large language models for structured data extraction and automation Build developer-friendly APIs and interfaces for web automation Ship product features fast — with real usage and feedback Work closely with product, design, and customers to build what matters Stay ahead of the curve on LLM tools, embeddings, orchestration, and training Create elegant, resilient systems that just work Who You Are A full-stack engineer comfortable across Python/Django, React/TypeScript, or eager to learn fast A system thinker who sees architecture, UX, performance, and product as a unified challenge Obsessed with AI agents, LLMs, and building delightful automations Comfortable wearing many hats: engineer, product thinker, debugger, owner Thrive in fast-moving environments with a high degree of autonomy A natural builder: you ship, you own, you iterate Bonus Points Experience building LLM-based agents, fine-tuning models, or RAG pipelines Contributions to open-source AI/ML projects Experience with: TypeScript, PostgreSQL, Redis You've trained or fine-tuned your own model from scratch Worked on web automation, scraping, or structured data extraction before Why Join Supernal? Founding role in a rocketship startup with real revenue and real usage Ship fast: from idea to production in days, not months Autonomy: own your work, your time, and your decisions Remote-first across US and EU, with in-person offsites and workshops Competitive salary + meaningful equity Incredible teammates: builders, operators, musicians, filmmakers, and climbers Backed by invisible.co, and founded by repeat entrepreneurs Interview Process We prefer to pay you for a week to build something real with us . We believe it's the best way to evaluate fit, working style, and what it's like to collaborate — for both sides. Fit You're a deep systems thinker You constantly seek ways to grow yourself, your team, and the product You want to leverage LLMs to produce what used to take entire teams You care deeply about product excellence and technical elegance You thrive when wearing many hats and solving unstructured problems You value freedom and want to work from your favorite place on earth Not a Fit You're looking to clock in and clock out You want to be told what to do You prefer owning a narrow slice of the codebase If this sounds like you — let's build the future together. J-18808-Ljbffr