Web developer
  • 27 years of WebDev
  • More than 180 WebProj
  • More than 100 clients
You cannot step into the same river twice.

2012 - Today

WebDev & SysAdmin / Cortes Pereira Lda.
Using XHTML|HTML5, Perl, JS, CSS and related preprocessors to create and develop web sites and web platforms for specific purposes for public institutions.

Responsible for the daily operations, sales & customer account management.


  • Programming the backoffice and frontend of the portuguese Association of Architects web site.
  • Development of web platforms for Lisbon (BIP/ZIP) and Amadora (PMA) City Halls for applications to public funds.
  • Programming the backoffice and frontend of the Lisbon Municipal Assembly.
  • Daily remote server administration (Slackware Linux, firewall, http, ftp, ssh, DBMS, backups, etc), located on a data center.

2002 - 2012

WebDev & SysAdmin / Simplicidade.com Lda
Embraced Linux platforms and open source projects. Moved away all development paradigm, methodologies and tools from closed to open source environments. Switched the main server language from VB/ASP to Perl (PHP and Python when required) and the DBMS from MSSQL Server to MySQL and PostgreSQL.


  • Migration and administration of desktops, server and network from MS Windows to Slackware Linux for DermaEuropa Lda.
  • Daily web server administration (Slackware Linux, firewall, http, ftp, ssh, DBMS, backups, etc), located on self small data center.
  • Development and maintenance of SiGIME, an open source web application for invoicing, customers and stocks management
  • Development of a web platform for stocks management on shoppings for Promostock Lda.

1996 - 2002

WebDev / Freelancer
Worked with HTML 3.4/4.0, JavaScript and MS ASP to develop dozens of personal, commercial and institutional web sites. Web accessibility and usability consulting. Co-founder of the Portuguese Association of Usability Professionals


  • Programming the backoffice and frontend of The National Museum of Archaeology
  • Research on web site accessibility, usability and UX, 12 articles covering card sorting, heuristic avaliation, testing with users and other methodologies.
  • web design and programmig of Loures town council web site

1996 - 2000

Univ. Lusíada de Lisboa
Licentiate degree, Political Science
Focus on power relations and political participation on the Information Society

1986 - 1990

School of Arts António Arroio, Lisboa
Professional Course Modeller/Molder Ceramist
Course of Arts and Techniques of Fire


Operating systems

  • Linux Slackware
  • Linux Debian
  • Linux RedHat
  • FreeBSD
  • MS-DOS
  • MS Windows


  • Apache
  • SSH
  • Courier
  • Sendmail
  • ProFTPD
  • Samba
  • CUPS
  • MS IIS


  • MySQL / MariaDB
  • PostgreSQL
  • MSSQL Server 97/2000

& other languages

  • Perl
  • JavaScript
  • (X)HTML
  • CSS
  • SQL
  • CoffeeScript
  • SASS
  • Grunt
  • XML
  • XSLT
  • LaTeX
  • ShellScript
  • ZSH
  • Bash
  • ASP
  • PHP
  • Python


  • Vim
  • Git
  • *nix terminal
  • Webmin
  • Bugzilla

Other skills

  • Organic & biological agriculture
  • Manual and mechanic modelling of clay and plaster
  • Welding and soldering
  • Driving license: Cat. B vehicles, taken in 1991