Product engineer who builds AI systems that drive growth. Co-founded and sold Brazil's largest digital motorcycle insurance broker -- scaled to 10k customers through programmatic SEO and product-led loops (CAC ~ $0). At Justos, built the broker onboarding infrastructure that grew the network from 0 to 1,500+. Now building LLM-powered products: vertical AI agents with RAG and structured retrieval, AI-driven growth workflows, and experimentation systems. Currently shipping Gauss -- an AI diagnostic assistant for auto repair shops. Background across data science, growth engineering, and founding. I ship the full stack from experiment to production. Stack: Python, TypeScript, React, OpenAI API, LangChain, Supabase, SQL