Hi, I'm Jack 👋
I'm a backend-oriented developer based in Portugal, currently moving deeper into cybersecurity, web security, bug bounty, OSINT, and AI-assisted security tooling.
🧠 About Me Backend experience with JavaScript / Node.js Studying Web Security, AppSec, Bug Bounty and Pentesting Focused on ethical, authorized security research Interested in OSINT, automation, APIs, security workflows and local-first AI systems Building Jarvis/Mimir, a private local-first AI assistant focused on safe automation, permission gates, security boundaries and future audit workflows
I like understanding how systems work, where they fail, and how to make them safer.
🛠️ Languages & Tools
🎯 Current Focus Web Security fundamentals Burp Suite, recon, SQLi, XSS, auth and access control TryHackMe labs and authorized bug bounty practice Security report writing and vulnerability documentation Building security-focused AI tooling through Jarvis/Mimir Developing a future AI Security Audit Assistant 🚀 Projects Jarvis/Mimir — Private Local-First AI Assistant
Private AI assistant project focused on local-first architecture, modular capabilities, permission gates, safe automation, readiness contracts and security boundaries.
Security Exposure Audit — Coming Soon
A practical security audit workflow for small websites and businesses, focused on exposure checks, web security basics, evidence collection and clear remediation reports.
Fast ICMP Scanner
A Python-based ICMP scanner for discovering active hosts in a subnet using raw sockets.
Event participant management system built during Rocketseat NLW Unite.
(More cybersecurity-focused projects coming soon...)
📌 Direction
I'm building toward cybersecurity, backend/security work, ethical hacking, AI-assisted tooling, and product development.
Long-term goal: build useful security tools, improve as a professional, and create technology that gives people more control over their systems and workflows.
🔗 Connect with me:
