# Bruno Bertolini

> I turn business into product. Product into code. No noise in between.

Developer, tech lead, CTO, founder, teacher. Writing code since 2006.

## Quick Facts
- 20+ years building software
- Stack: Next.js, React, Node.js, TypeScript
- Location: Florianópolis, Brazil (remote-first)
- Founder of Codar.me (70k+ developers reached, 700+ students graduated)
- 100% of code AI-assisted (context engineering, not vibe coding)

## What I Do
- Technical leadership for startups and scale-ups
- AI-assisted product development and consulting
- MVP definition and delivery with lean teams
- Legacy system modernization and migration planning
- Team building, mentoring, and AI workflow training

## Notable Work
- **Setta**: Shipped MVP in 2 months with 1 dev (vs 6 months with 5 devs stuck). Redesigned scope, cut to what mattered.
- **Juntos Somos Mais** (Joint venture Votorantim/Gerdau/Tigre):
  - First engagement: Inherited 2 apps, 2 juniors, 15 days to deadline. Delivered. Led 18-month gradual migration. Team won best delivery of the year.
  - Second engagement: Led platform team of 10-18 staff engineers. Shipped SSO (stuck 6+ months) in 1 quarter. Feature flags, design system. Company reached R$10bi GMV.
- **IW**: CTO for 1 year. Shipped 4 projects (2 solo). Built SSO for hundreds of thousands of users, mapped 20-year legacy.
- **Codar.me**: Founded with wife. Programming school. 70k devs reached, 700+ students graduated. Students landing first jobs at R$7k/month.

## Products
- **Awesome Landing** (awesome.codar.me): Paste a landing page URL, get expert-level analysis on copy, design, conversion, SEO, and performance.
- **JustASkill** (justaskill.com): AI vulnerability analyzer for SaaS products. Discover how many lines of prompt separate your SaaS from being free.

## Open Source
- remask: Input masks, framework-agnostic (156 stars) — github.com/brunobertolini/remask
- styled-by: Conditional props for styled-components (136 stars) — github.com/brunobertolini/styled-by
- tailed: Styled-components syntax for Tailwind (96 stars) — github.com/brunobertolini/tailed

## Writing (Blog)
Published on brunobertolini.com/blog (synced from bertolini.substack.com).
Topics: engineering, AI, context engineering, psychology, life, product development.

Recent posts:
- "A Teoria da Convergência Cognitiva" — How experienced professionals independently converge on similar solutions
- "O método que GitHub, Google e Amazon adotaram pra substituir vibe coding" — Spec-Driven Development
- "Por que a IA ignora metade do que você escreve" — LLM attention U-curve patterns
- "A Construção da Consciência" — Framework of known/unknown knowledge domains

## Philosophy
I don't ship fast at any cost. I figure out what should be shipped. Then I ship it fast.
Solve the right problem, the simplest way that works.

## Contact
- Email: hi@berto.in
- Site: https://brunobertolini.com
- Blog: https://brunobertolini.com/blog
- RSS: https://brunobertolini.com/feed.xml
- LinkedIn: linkedin.com/in/brunobertolini
- GitHub: github.com/brunobertolini
- Instagram: @codar.me
- Substack: bertolini.substack.com

## Links
- Personal site: https://brunobertolini.com
- School: https://codar.me
- Products: https://awesome.codar.me, https://justaskill.com