João Castro

João Castro

Founder & CTO of VULK
#94253271 follower5 following
2 points
✨ 3 day streak

About

Building AI that generates real software—not mockups. Full-stack apps, mobile, backends, deployment. All from a prompt. Previously: 20+ years shipping products across startups and enterprises. Now: Proving 2 founders in Portugal can build world-class software. Bootstrapped. Obsessed. Shipping daily.

Links

LinkedIn

Badges

Tastemaker
Tastemaker
Gone streaking
Gone streaking

Maker History

  • VULK
    VULKBuild complete Full-stack apps with AI.
    Feb 2026
    • 🎉
    Joined Product HuntFebruary 6th, 2026

Forums

VULKp/vulkJoão Castro•

26d ago

What would you build with VULK?

Curious to hear what projects you'd tackle if you could generate complete apps from a prompt.
Web app? Mobile? Game? Drop your ideas!

João Castro•

26d ago

VULK - Build complete Full-stack apps with AI.

VULK generates complete apps from prompts—not just UI mockups. What you get: • React/Next.js frontend + PostgreSQL backend + auth • Real Flutter mobile apps (APK/IPA builds) • 3D games with Three.js and physics • One-click deploy to custom domains • Export to GitHub or ZIP—you own the code 11,000+ users, 7,600+ projects in 3 months. Built by 2 founders in Portugal, zero VC. Try Pro for $3.99 first month.
View more