whoami
CARLOS FERREIRA
All things developer // London
I make things for the web, look after the servers they run on, and help other people learn to do the same. Mostly known online as cajogos.

tl;dr
At a glance
- Role
- VP of Research and Development
- Community
- Mentor and co-organiser of freeCodeCamp London
- Education
- MSc Advanced Software Engineering (Distinction), University of Westminster
BSc (Hons) Computer Science (First Class), University of Greenwich - Location
- London, UK
about
About me
My full name is Carlos Jorge Lima Ferreira, but my friends call me Carlos (yes, you can call me Carlos). I built my first website at 12 and never really stopped.
Born in Viseu, Portugal, in '94, and living in London since I was 13. Sim, eu sei falar e escrever em Português.
Things I do
- Drink at least a cup of coffee a day.
- Write and contribute to open-source code.
- Made a PHP caching library.
- Built my own PHP framework, deeply inspired by my love for biscuits.
- And a JavaScript framework for always-running web applications.
- Complain about my commute and life's biggest questions on X.
- Co-organise freeCodeCamp London, helping people learn to code at our meetups.
Things I like
- Walking around and getting lost in London.
- Coding and tech events.
- Superhero comics, movies, TV shows and collectibles.
- Japanese culture, manga and anime included.
- Shiny cardboard.
- This sort of music.
- Solving the 3x3 Rubik's Cube.
ping
Find me online
Recruiters, freeCodeCamp folk, colleagues and old friends: these are the quickest ways to reach me.