Full-Stack Developer  ·  TypeScript · Next.js · NestJS · Web3 · AI
Votuporanga, Brazil

Front-end — Next.js · React · TypeScript · Tailwind CSS · shadcn/ui
Back-end — NestJS · Node.js · FastAPI · PostgreSQL · Prisma
Web3 — Solidity · Hardhat · ERC-721 · SIWE · Polygon
AI & Integrations — OpenAI · ElevenLabs · Twilio · WhatsApp Business API

ISP ERP AI-Native
ERP for internet service providers with AI-powered voice and WhatsApp customer support. Customers interact via WhatsApp; the system identifies the request, responds with natural voice and updates the ERP in real time.
NestJS TypeScript PostgreSQL Twilio ElevenLabs WhatsApp Business API

Atitude Moda
Fashion e-commerce with a consultation-based sales model — high inventory turnover, orders closed via WhatsApp and payments through Mercado Pago. REST API with protected admin routes and WhatsApp webhook.
Next.js TypeScript PostgreSQL Prisma WhatsApp Mercado Pago

NutrIA
AI nutritionist assistant. Collects user data through conversational chat, calculates caloric needs, and generates a 7-day meal plan with a categorized shopping list and price estimates.
Next.js 15 React 19 TypeScript OpenAI GPT-4 Tailwind CSS 4 Zustand

Dolrath RPG
RPG with an AI auto-judge and tokenized in-game economy built on Solidity. Chat-based combat system with D20 initiative, AI-generated narrative, and on-chain asset tokenization.
Next.js TypeScript OpenAI Solidity Web3

Portal Monções — IT service order management system delivered to a city government. Full workflow, role hierarchy and PDF generation. Next.js 15 PostgreSQL Prisma

NFT Trade Magic — Magic: The Gathering card trading platform with ERC-721 tokenization and USDC payments on Polygon. Solidity Hardhat Node.js

Farmia — IoT garden management app with automated irrigation control via MQTT and AI assistant. FastAPI React Native PostgreSQL