Full Stack Engineer / Cybersecurity

Rômulo Fernandes Evangelista

I build robust full stack systems and once investigated security vulnerabilities as a cybersecurity resident at RNP. Today, I'm a full stack software engineer at Bridge Laboratory, with 5+ years shipping software for healthcare.

Itapema, Brazil

About

Full stack software engineer at Bridge Laboratory since 2021, with 5+ years of experience in healthcare and enterprise environments. Degree in Electrical Production Engineering from UFSC, with postgraduate certifications in Cybersecurity from PUC Minas and Modern Software Engineering from UFMG. In 2023, completed a cybersecurity residency at RNP alongside the role at Bridge, applying the same engineering rigor to finding and fixing vulnerabilities before they become incidents.

5+

years of experience

28

public repositories

3

featured projects

Tools and languages I use day to day.

Tech stack

Backend

  • Kotlin
  • Java
  • Spring Boot
  • Node.js
  • GraphQL

Frontend

  • TypeScript
  • React
  • Next.js
  • Svelte
  • SvelteKit

Infra & Data

  • PostgreSQL
  • Oracle
  • Linux
  • Git
  • Bun

Cybersecurity

  • Kali Linux
  • Python
  • Pentest
  • Vulnerability Scanning
A selection of what I've been building and researching.

Featured projects

cyberfox web

Web version of cyberfox: a form that generates AI agent context files (CLAUDE.md, .cursorrules, AGENTS.md) in real time, running entirely in the browser with no backend. Can also be self-hosted locally with Docker.

  • SvelteKit
  • TypeScript
  • Bun
  • AI Tooling

FoxScreenShots

Cross-platform desktop tool to capture and annotate screenshots, with an annotation editor, global shortcut and timer mode. Runs fully local, with no network calls.

  • Flutter
  • Desktop
  • Windows
  • Linux
  • macOS

inviscan

Open source vulnerability scanner for web and mobile targets, built in Dart.

  • Dart
  • Security
  • Scanner

Pulsar Editor Packages

Language support packages for the Pulsar editor, covering C/C++ and Lua for game development with raylib and love-pulsar.

  • Lua
  • C/C++
  • raylib
  • Editor Tooling
Recent professional path.

Experience

  1. 2021 - present

    Full Stack Software Engineer

    Bridge Laboratory

    Since 2021, building and maintaining full stack systems for the healthcare sector, from a Java/Kotlin/Spring Boot backend to a React and Next.js frontend.

  2. Mar - Aug 2023

    Cybersecurity Resident

    RNP

    Cybersecurity residency completed alongside the role at Bridge Laboratory, with offensive and defensive security research and practice applied to real systems.

Packages I maintain for the Pulsar editor ecosystem.

Open source contributions

  • raylib

    • C/C++
    • Pulsar Editor

    Language support package for C/C++ in the Pulsar editor: code completion for raylib 6.0, snippets, boilerplate and a run button.

    View repository →
  • love-pulsar

    • Lua
    • LÖVE
    • Pulsar Editor

    Package that adds Lua code completion for LÖVE (Love2D) projects in the Pulsar editor.

    View repository →
Latest devlog posts.

From the blog

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