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Dor Bergel

Backend Developer in Cybersecurity

Hi there, I’m

Dor Bergel

Backend Developer in Cybersecurity

I'm Dor, a backend developer working in cybersecurity. My background in QA automation shaped the way I approach software: understand how it behaves, test assumptions, and design for reliability and maintainability.

  • Backend

    Reliable systems and the services behind them.

  • Security

    A security mindset from design through implementation.

  • Product

    Practical products, taken from idea to production.

Selected projects

Backend, security and systems work — and how it was built.

  • Cybersecurity

    SIEM Threat Intelligence Pipeline

    A modular threat-intelligence pipeline that ingests, normalizes, enriches and visualizes indicators of compromise from multiple public feeds.

    • Python
    • Kafka
    • ClickHouse
    • Grafana
    • +3 more
  • Systems

    Homemade Shell

    A compact UNIX-like shell written in modern C++ with pipelines, I/O redirection and built-in command handling.

    • C++
    • UNIX Syscalls
    • Pipes & Redirection
    • Make
  • Full Stack

    Real-Time Chat App

    A real-time chat application built around WebSocket communication and persistent conversation data.

    • Node.js
    • Express
    • Socket.IO
    • MongoDB
    • +3 more

Technical focus

Languages, platforms and areas I work with.

Languages

  • Python
  • C++
  • C
  • JavaScript
  • C#

Backend

  • FastAPI
  • Node.js
  • Express
  • REST APIs
  • WebSockets

Databases & Data

  • PostgreSQL
  • MongoDB
  • ClickHouse
  • Kafka
  • SQL

Infrastructure & Tooling

  • Docker
  • Git
  • Linux
  • Jenkins
  • Grafana
  • Alembic
  • pytest

Security & Systems

  • TCP/IP
  • Web Security
  • UNIX Processes
  • Raw Sockets
  • Threat Intelligence

Get in touch

Always interested in thoughtful conversations about backend engineering, cybersecurity, systems and building useful products.