- 🎓 Studying Análise e Desenvolvimento de Sistemas at UNIGOIÁS (2024–2027)
- 💼 Currently Technical Support Analyst at A²O Sistemas Gerenciais: diagnosis, troubleshooting and root-cause analysis of management systems
- 🏗️ Author of a construction management platform running in production for a real client: works, budgets, orders, payroll, tax and accounting modules
- ⚖️ Building Norma, a multi-tenant SaaS Legal Management System with 11 modules (Next.js 16 + Prisma/Neon + DataJud API)
- 💬 Building an embeddable customer-support chat: widget for the client, panel for the agent, multi-tenant by API key, single runtime dependency
- 💰 Author of Capital, a personal finance app with recurring rules, installment plans and goals (NestJS + Angular 17 + PostgreSQL)
- 🤖 Author of Jarvis, a fully offline LLM chat: local llama.cpp only, no database, no data leaving the machine
- 🗂️ Previously B2B Analyst at Probel Mercosul Espumas Industriais (2024–2026): 8+ automations in production · 40% rework reduction · ~15h/week saved
- 📊 Daily user of Power BI, Power Query (M) and SQL Server against TOTVS Protheus ERP
- 📫 Reach me at matheustrajano.dev@gmail.com
🌐 Demo ao vivo: Portfólio
🏗️ Gestão de Obras ███████████████ Em produção · Node · PostgreSQL · Migrations · Fly.io
💬 Chat Embutível ██████████████░ Widget + painel · Multi-tenant · E2E em CDP puro
⚖️ Norma SaaS █████████████░░ Next.js 16 · Prisma/Neon · DataJud API · RBAC
💰 Capital ██████████░░░░░ NestJS · Angular 17 · Prisma · Agregação mensal
🤖 LLM local █████████░░░░░░ llama.cpp · RAG local · Privacidade por design
📊 BI & Data █████████░░░░░░ Power BI · DAX · Power Query (M) · SQL Server
🎓 CS / ADS Studies ████████░░░░░░░ Algoritmos · POO Java · CS50 · UNIGOIÁS
- 🎓 Análise e Desenvolvimento de Sistemas · UNIGOIÁS (2024–2027, in progress)
- 🖥️ CS50 — Ciência da Computação · Fundação Estudar (Feb 2026 · 70h)
- 🛢️ SQL Server do Básico ao Avançado · Udemy / DNC (Jan 2025 · 11.5h)
- 🤖 Python para IA — do Zero ao Primeiro ChatBot · Alura (Feb 2025 · 4h)
- 🐍 Python do Zero · Alura (Jan 2025 · 2h)
- 🎨 HTML e CSS · Alura (Jan 2025 · 8h)
- 📊 Excel do Básico ao Avançado · Udemy / EAD (Feb 2025 · 28.5h)
