Founding Full Stack Engineer

Recruiting From Scratch • San Francisco, CA

4d • Remote

About The Position

Our client is building mission-critical AI infrastructure for trial attorneys, enabling legal teams to leverage highly reliable AI systems for litigation workflows where correctness is absolutely non-negotiable. Their platform powers legal intelligence workflows across document extraction, legal research, agent orchestration, and courtroom-grade AI reliability systems. This is a rare opportunity to join as one of the earliest engineers at a fast-growing legal AI startup, working directly with founders and shaping the technical foundation of a product operating in one of the highest-stakes AI domains.

Requirements

• 3–8 years of full-stack engineering experience
• Strong production software shipping experience
• Strong JavaScript / TypeScript / Python / SQL proficiency
• Experience building full-stack production systems
• Startup engineering experience
• Ability to work autonomously
• Strong systems thinking
• Experience working across frontend and backend
• Comfort in highly ambiguous environments
• Strong ownership mindset
• Ability to context-switch rapidly
• Strong technical judgment

Nice To Haves

• Built LLM-powered products in production
• Agent / sub-agent orchestration experience
• RAG pipeline production experience
• Eval-driven development experience
• Former founding engineer or ex-founder
• Early-stage startup experience
• Legal tech or regulated-industry experience
• Deep AI tooling fluency
• Strong side projects
• Fast shipping velocity
• Ability to audit AI-generated code critically
• Product-minded engineering instincts
• Experience with integrations-heavy systems
• Strong remote ownership
• High startup intensity tolerance

Responsibilities

• Build and ship features across the full stack
• Work across React, Next.js, TypeScript, Python, SQL, and AI systems
• Own product development end-to-end
• Build and maintain agent orchestration systems
• Develop sub-agent workflows and tool-use patterns
• Build reliable RAG pipelines
• Design anti-hallucination safeguards for legal AI outputs
• Own third-party integrations from scoping to deployment
• Contribute to backend performance optimization
• Work directly with founders on product direction
• Improve reliability and system scalability
• Move quickly across frontend, backend, and AI infrastructure
• Build polished product experiences for legal users
• Ship rapidly in a high-intensity startup environment

Benefits

• Base salary: $180,000 – $220,000
• Equity: 0.2%–0.5%
• Remote-first flexibility
• Founding-level ownership
• Direct access to founders
• Meaningful technical decision-making authority
• High upside pre-Series A opportunity
• Complex AI engineering challenges

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: No Education Listed