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  • Systems Servers & Solutions
  • Spain
  • 06:46 (UTC +02:00)

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sergioaragones13/README.md

Hi there 👋

I'm a Backend Developer specialized in Node.js, focused on building scalable APIs, microservices, and efficient backend systems. I'm also interested in computer networks and cybersecurity, currently learning core concepts in networking and defensive security.

🔭 What I'm currently working on

I'm working on backend development with Node.js while improving my understanding of computer networks (TCP/IP, routing, switching) and cybersecurity fundamentals through hands-on labs on Hack The Box.

🛠️ Tools I use

  • Node.js
  • Express.js
  • JavaScript (ES6+)
  • TypeScript
  • PostgreSQL / MySQL
  • MongoDB
  • Docker & Docker Compose
  • DataGrip
  • Cursor
  • Wireshark
  • Cisco Packet Tracer
  • Git & GitHub

📡 Interests

  • Computer Networking (TCP/IP, VLANs, routing basics)
  • Network traffic analysis (Wireshark)
  • Cybersecurity fundamentals (Blue Team mindset)
  • Backend architecture & system design

📫 How to reach me

⚡ Always learning, building, and improving as a developer.

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