Hi, I'm Nattan 👋

Computer Engineering Student · IFSULDEMINAS — Poços de Caldas, MG, Brazil · 8th Period

🔬 ML/Security Researcher  |  💻 Full Stack Freelance Developer  |  🐧 WSL2 / Linux

I build machine-learning security research and full stack products — from backend to deploy, always with a focus on solid architecture and security best practices.

🔭 Currently

• Rebuilding AEGIS, a DoS/DDoS detection system, after auditing a prior submission and finding data leakage and temporal-correlation flaws in the evaluation protocol — now on Improved CIC-IDS-2017/2018 with a locked-down, checksum-verified pipeline
• Working as a full stack freelancer, applying solid architecture and security practices to every project
• 🎓 Former CNPq/PIBIC undergraduate research fellow in applied ML for network security

🚀 Featured Projects

🛡️ AEGIS — DoS/DDoS Detection (private repo)	📋 Chamados — Mobile Ticketing App
Tech: Python · scikit-learn · XGBoost · Isolation Forest ML ensemble for DDoS/L7 attack detection, rebuilt around a strict evaluation protocol (temporal splitting, leakage controls, documented decision log)	Tech: Java · Android Studio · SQLite Support ticket app migrated from SharedPreferences to SQLite, with RecyclerView lists, drawer navigation, and camera capture
📚 BiblioSys — Library Management	🖥️ SIMPLES.IDE — Web Compiler IDE
Tech: Django · Python · SQLite Library management MVP built with a team: password recovery, staff reports, history filters, full test coverage	Tech: React · Flask · xterm.js Web IDE for a custom teaching language, with a working execution pipeline, live terminal I/O, and interactive stdin handling

🛠️ Tech Stack

Languages

ML / Data

Web / Backend

Tools

📊 GitHub Stats

🐍 Contribution Snake

(a snake that "eats" your contribution graph — auto-updates daily. This image will look broken until you complete the setup below and the Action runs once — that's expected, not a bug.)

📫 Connect

• 💼 LinkedIn: nattan-montel
• ✉️ Email: nattan.m167@gmail.com
• 📍 Poços de Caldas, MG, Brazil