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About

// who I am

📍 Brasília, DF 🎂 13/09/1988 💻 28+ Years of Experience
  • Based in Brasília-DF, programming since 2004 at age 16. Entirely self-taught.
  • My first projects — hoststart.com.br and ritmosbsb.com — taught me to build and operate software end-to-end, from server to interface.
  • Over 22+ years, I have worked on projects across multiple sectors: public sector, international organizations, energy, automotive industry and political communications — always delivering tailored solutions with full autonomy.
  • Specialist in information security and fullstack development, proficient in 16+ languages with the ability to build anything from low-level SDKs to full SaaS platforms.
  • Author of 16 multi-language SDKs for a realtime WebSocket platform, covering JS, Python, Go, Rust, Java, C#, PHP, Ruby, Kotlin, Swift, Dart, Elixir, C, C++ and Pascal.
  • Founder, SEO and mentor of xpusher.net — high-converting in-page push ads network — and wsocket.io — open-source WebSocket infrastructure with pub/sub, presence, history, webhooks and push notifications.
name Rafael Cavalcanti da Silva birth September 13, 1988 — Brasília, DF experience 22+ years commercial (since 2004) · 28+ years in tech (since 1998) focus Fullstack Development, SEO, Information Security, SDK Engineering languages 16+ (Python, Go, TypeScript, Rust, C, Dart, Java, Kotlin, C#, PHP…) first projects hoststart.com.br · ritmosbsb.com (2004)
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Timeline

1998 💻
First Contact
At age 10, first steps in the world of computers and technology. The beginning of a self-taught journey.
2004 🚀
First Projects
At age 16, development and commercial operation of projects — hoststart.com.br and ritmosbsb.com.
2006–2010 🌐
Web & Infrastructure
Hosting projects, institutional websites, Linux servers and automation.
2010–2015 🏛️
Government & Corporate
Projects for public sector, international organizations, energy sector, automotive industry and political parties across multiple areas.
2015–2020 🔒
Security & Backend
Specialization in information security, reverse engineering, banking SDKs and financial platforms.
2020–2024 ⚙️
Platforms & SDKs
wSocket (16 SDKs), xPusher, HostStart — complete SaaS architecture, billing and push notifications.
2024–today 💎
Fullstack Expert
+22 years of commercial experience (+28 years of IT). Desktop, WASM, mobile, realtime and security research.