Profileimage by Rafael Polo Senior Ruby on Rails Developer & Consultant from Lisbon

Rafael Polo


Last update: 22.08.2020

Senior Ruby on Rails Developer & Consultant

Graduation: Msc Information System
Hourly-/Daily rates: show
Languages: German (Elementary) | English (Full Professional) | Portuguese (Native or Bilingual) | Spanish (Full Professional)




UML, MVC System Architecture, Design Patterns, Object-Oriented Programming, Data Engineering, Relational Databases, SQL ( +, Neo4j GraphDB, MongoDB, Data Mining, ETL, Linux Systems, VPS, DevOps, SSH, Git, Continuous Integration, HTML, CSS, Javascript frameworks, Ruby on Rails, RSpec, paperclip, kaminari, redis, sidekiq, byebug, nokogiri, capistrano, Zsh, tmux, screen, vi, spacevim, rvm, Expressions, RabbitMQ, Web Services, JSON, REST & APIs integration, MySQL, PostgreSQL, MariaDB, SQLite, GraphQL, Processing, org Media Framework, ffmpeg, imagemagik, convert, Coffescript, jQuery, Vue.js, learning React. + DataVizualization libs, TCP/IP, HTTP, UDP, XMPP, nmap, Sockets, Unix, PHP, Python, Java, Pascal, Crystal, pure Bash, Agile Methodologies, Extreme programming, Scrum, Kanban, TDD, Web Development, routers, RoR, Docker, Capybara, Hibernate, SysAdmin, Pascal Delphi, Web Hosting Server, Linux, open-source, RoR platform +, cron, CMS, +jQuery, Content Management System, relational database, Ruby, algorithm, encode, data visualization, visualization, Wikipedia, router, RDF, Google Talk, RSA, Java software, encryption, decryption, IP connections

Project history

01/2018 - 08/2020
Web Development Teacher
Code+Create School

01/2013 - 08/2020
Product Designer
Studio Zanini
* From-scratch RoR multi-language Content Management System developed to the
Product Designer Zanini de Zanine, awarded Furniture Designer.

01/2008 - 08/2020
independent Software Developer and IT Consultant
more than 30 Software Projects in between Brazil, Portugal, Holland, Germany and Greece for
public and private contractors. Also published open-source projects with diverse technologies.

11/2014 - 06/2016
Senior Ruby on Rails Developer & Consultant
Tactical Tech Collective
meetings with external partners such as European Center for Constitutional and Human
Rights and journalists to understand requirements and developed 18 distinct projects.

* Berlin, Germany

12/2013 - 02/2014
Senior RoR Developer
* System Analyst & Developer using Docker, Capybara, MySQL, RSpec, RabbitMQ, jQuery...
* Berlin, Germany

09/2007 - 11/2008
Cortex Intelligence
* Developer in the Competitive Intelligence and Data Mining R&D team. System Analyst
and Developer with Java and Hibernate.

* Rio de Janeiro, Brazil
* Logical Systems - first semester 2007
* SysAdmin and Java developer of the Company main Software in PHP
* Rio de Janeiro, Brazil

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