Sergio E. Mattei Díaz

Entrepreneur, programmer, student

Hi! I'm Sergio.

I'm an entrepreneur and software developer. My passions are business and computers, and they tie pretty nicely. I spend most of my free time making experiments and projects, and my passion is making products people love to use.



  • Self taught, award-winning programmer
  • PHP using Laravel, CodeIgniter, etc.
  • Python using Django, REST framework, etc.
  • JavaScript using ES6-7, React, React Native, jQuery, etc.
  • SQL and NoSQL using MySQL/MariaDB, PostgreSQL, MongoDB, etc.
  • Shell scripting

Other skills

  • DevOps by shipping production-grade software to Microsoft Azure, DigitalOcean, AWS, etc.
  • Graphic design using Adobe Illustrator
  • Fully bilingual with English and Spanish as main languages
  • Cuatro (music instrument) player for 7+ years at Rondalla de Humacao, played with PR Symphony Orchestra several times
See my projects