Founding Full-Stack Engineer

ABOUT THE ROLE Join a small engineering team building agentic systems for an AI-native legal services business. You will work across the stack to deliver reliable tools and integrations used in day-to-day legal workflows. WHAT YOU'LL DO - Build and improve agentic systems, including agent harnesses, evaluations, and interfaces that are reliable for legal work. - Ship full-stack features from database to UI, including client-facing tools, lawyer workspaces, review queues, redline and diff views, chat, and operations dashboards. - Build integrations with collaboration, email, document, e-signature, and billing platforms to automate legal workflows. - Improve observability, evaluations, and infrastructure to support trustworthy, reliable agents. - Work directly with lawyers to scope technical problems, deliver solutions, and incorporate user feedback. WHAT WE'RE LOOKING FOR - Three to seven years of full-stack engineering experience, including maintaining and evolving production SaaS applications beyond the prototype stage. - Production experience building and deploying agentic systems across the stack, including agent interfaces, integrations, and harnesses. - Strong TypeScript experience, including Node.js backend services and React or Next.js, plus PostgreSQL, tRPC, AWS, or Temporal experience. - Ability to review and maintain technical control over AI-generated code. - Experience in high-growth environments and direct collaboration with users to scope technical problems. - A STEM or computer science degree and strong technical fundamentals. - Legal technology or other regulated-industry experience, and backend observability experience, are beneficial. - Must be authorized to work without visa sponsorship and able to start immediately or within two weeks. COMPENSATION & BENEFITS Base salary: $180,000 to $250,000 annually. Equity: 0.1% to 0.6%. Visa sponsorship is not available. LOCATION On-site in San Francisco, United States.