João Paulo Camargo

web application developer

+55 (11) 99493-4553


I am a problem solver. I've always prided myself on the ability to break complex problems and solve them with simple solutions. Challenges motivate me. I'm a computer geek, e.g. I've self-taught Perl while I was still in high school, and was using asynchronous requests to reload web pages before AJAX.


web application development

Ground up development of top notch web applications, using latest server-side technologies.

front end development

Cross platform development of high end user interfaces, using javascript, html and css.

team leading

Proven ability to lead and manage a wide variety of design and development projects in team and independent situations.



ruby, elixir, rails, phoenix, nodejs, perl, shell script


javascript, html, css


postgresql, mysql, oracle, sybase, sql server



Solutions Architect


Responsible for the plan, design and the implementation of our platform, its decomposition by subdomains, and incremental move to 'micro' services.

sep 2014

tech leader


Leading the backend team responsible for the development and maintenance of the largest pet related e-commerce in Brazil.

mar 2014 - aug 2014

tech leader


Responsible for the development and maintenance of data mining and treatment services.

apr 2013 - fev 2014

senior developer


Development and maintenance of ruby, python, perl and shell script based solutions for data storage.

fev 2012 - fev 2013

senior ruby developer

codeminer 42

Development of complete ruby based solutions for Codeminer 42 clients like Olook, Qoiza, RubyConf and Editora Globo. I've also participated in the development of in house tools and products.

jul 2008 - may 2011

senior web application developer

arvato mobile

Full development of Rails applications, used by half million users, that consume custom resources from several APIs. Front end development including semantic HTML documents, custom tailored stylesheet compositions and javascript from scratch.

may 2007 - apr 2008

senior developer / analyst

citi group

Member of a global team, developing automated reports, alert systems and analysis tools for clients all around the world using Perl and sybase.

jan 2006 - apr 2007

senior web application developer

space produções

Full redesign of a major product with a userbase of 100,000 users. The system was initially built in PHP and later refactored by me using Ruby on Rails.

as a consultant

Freelance work as a web developer to advertising agencies like AgênciaClick, Euro RSCG, Africa, Full Jazz and companies like The Coca-cola Company, Fiat Motors, Johnson&Johnson, O Boticário, MTV and Petrobras.


Universidade de São Paulo