const lucas = {
role: "Senior Full-Stack Engineer @ Mercado Livre",
focus: "AI-Augmented Development",
building: "FaceFotos — B2B SaaS for event photography with facial recognition",
stack: ["TypeScript", "React", "Next.js", "Node.js", "Fastify", "PostgreSQL", "AWS"],
learning: ["AI Agents", "Multi-agent systems", "LLM-driven workflows", "Prompt Engineering"],
belief: "AI doesn't replace engineers — it multiplies them.",
};I build high-traffic web applications at Mercado Livre serving millions of users across Latin America. Currently going deep into AI-augmented development — integrating LLMs, AI agents, and automation into real engineering workflows.
On the side, I'm building FaceFotos — event photography with facial recognition, powered by Next.js + Fastify + AWS Rekognition + Stripe Connect.




