Builder portfolio
Production SaaS with AI in the loop — not demos. Live/beta/private status and screenshots land here once you confirm each product.
Stack I actually use: Next.js · Node.js · React · LLM integration (OpenAI, Gemini, Claude)
A public notebook for people who already use AI and want the mechanism behind it. Concepts from official LLM training and certifications, written in direct Portuguese. Articles, copy-ready skills and artifacts, and the same ideas on YouTube, TikTok, and Instagram. Every piece ends with a check you can run yourself.
Brazilian personal finance SaaS: one panel for accounts, cards, and investments; trap detection for ghost subscriptions, revolving credit, and spending spikes; savings goals from real leftover cash; and Rique, an AI copilot that explains the numbers in plain Portuguese. Read-only connections — it never sees your bank password.
Positioned as the operating system for collection companies: autonomous voice and WhatsApp agents, RAG, and client CRM integration.
Built on Next.js and Firebase. Uses Gemini for AI features, including voice-based RDO generation for contractors in Brazil.
Embeddable survey widget with AI survey generation, analytics, and integrations for React, vanilla JavaScript, and Bubble.io.
Subscribe for daily Stoic quotes with practical reflections, curated reading recommendations, and personalized Q&A with a virtual Stoic Philosopher.
AI travel planner that turns a short questionnaire into a full itinerary — day-by-day activities, food, flight and hotel suggestions, and a checklist — installable as a PWA so the guide works offline.
