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Caio Almeida (a.k.a. caiosba) is a senior software engineer with 15 years of experience, working mostly with Ruby On Rails and JavaScript (mostly React.js / Relay lately).

He's a Certified Ruby Programmer, holds Bachelor and Master degrees on Computer Science from Federal University of Bahia, Brazil and is currently a special student of the PhD program from that same University. He's Director of Software Engineering at Meedan, a 15 years old open source software organization based in San Francisco, California, USA, where he works since 2011.

In 2018, he was one of the 5 software developers selected to join Data4Change, a data visualization workshop about human rights on the middle east that took place in Beirut, Lebanon. He's currently one of the Top 5 Ruby developers from Brazil according to CodersRank. Collaborates as a developer to open source projects like Ruby On Rails, NPM, Drupal, Noosfero, Moodle, Inkscape and others, and presented in conferences like RubyConf Portugal, Rubyfuza (in South Africa), SIBGRAPI (in Peru), PROPOR (in Portugal), Tech & Check (at Duke University in the United States), CredCon (in the United States), Mexico on Rails (in Mexico), Media Party (in Argentina), Mediathon (in Peru), RubyConf Brazil, WebMedia, W3C Web Conference, International Free Software Forum, International Free Software Workshop, JSDay, among others.

You can find out more at the website: :)

Want to get in touch? Send an e-mail to :)

Caio Almeida GitHub stats


  1. An integration for Slack that converts any time string in a message to all timezones where the team is

    Ruby 46 14

  2. An implementation of some binarization methods such as Niblack, Sauvola, Wolfjolion and one based on feature space partitioning

    C++ 39 20

  3. A Google Chrome extension to draw and share the drawings on Slack

    CSS 11 4

  4. A module for React Native that adds your app to the share menu of the device

    Swift 264 95

  5. Captures a web page as a screenshot using Poltergeist, Capybara and PhantomJS, optionally waiting for elements (defined by CSS selectors) that can be inside iframes

    Ruby 6 4

  6. Keefer is a Yeoman generator to create React/Redux web applications that can be compiled to different platforms, following some good practices from Meedan

    JavaScript 5 2

1,003 contributions in the last year

Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Mon Wed Fri
Activity overview
Contributed to meedan/check-api, meedan/check-web, meedan/check and 5 other repositories

Contribution activity

June 2021

Created 1 repository
Opened 1 pull request in 1 repository
Reviewed 1 pull request in 1 repository
meedan/check-api 1 pull request
8 contributions in private repositories Jun 7 – Jun 9

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