Ignacio Freiberg

Ignacio Freiberg

Ciudad Autonoma de Buenos Aires, Argentina
Hire Ignacio
Scroll to view more ↓
Hire the top 3% of freelance developers
Ignacio Freiberg

Ignacio Freiberg

Ciudad Autonoma de Buenos Aires, Argentina
Member since June 28, 2012
Ignacio is a software engineer and architect with more than 8 years of experience in many programming languages, libraries, and frameworks. He enjoys working in freelance mode to give him the opportunity to constantly develop new skills, and he is familiar with many different paradigms and technologies.
Ignacio is now available for hire
Portfolio
Experience
  • JavaScript, 6 years
  • PHP, 5 years
  • jQuery, 4 years
  • Git, 4 years
  • Node.js, 2 years
  • MySQL, 5 years
  • MongoDB, 2 years
  • C++, 4 years
Ciudad Autonoma de Buenos Aires, Argentina
Availability
Full-time
Preferred Environment
Mac, Linux
The most amazing...
...thing I've built is a Node.js app to allow for the sending and receiving of millions of multiple choice questions and responses via SMS.
Employment
  • Web Developer
    GoChime (via Toptal)
    2011 - 2015
    • Built prototype system with heavy integration with Twitter API and automatic querying and posting based on what twitter users were sharing in real-time.
    • Designed and built reporting systems for actionable data analysis and client reports.
    Technologies: PHP, JavaScript, Node.js
  • Lead Developer
    AdWorx (via Toptal)
    2012 - 2012
    • Designed and built a system using CodeIgniter (PHP) implementing the entire business flow (product selection, payment, production, delivery).
    • Contributed to the definition of the business logic process.
    • Implemented the front-end UI/UX using HTML5, Compass, CoffeeScript and jQuery.
    • Implemented payments using Paypal Pro (multiple recurring payments, credit card direct payments).
    • Integrated with a brochure design and printing service (mycreativeshop.com).
    Technologies: PHP/MySQL, CodeIgniter, phpUnit, phpDoc, HTML5, CSS3, Compass, SASS, CoffeeScript, Phing, Jenkins, Amazon Web Services
  • Lead Developer
    smsPREP (via Toptal)
    2010 - 2012
    • Joomla! component development to allow for the sending and receiving of millions of multiple choice questions and responses via SMS.
    • Designed and built a smart Learning Management System (LMS) from scratch.
    • Designed and built an adaptive learning algorithm that continually targets multiple-choice questions according to a current users difficulty level.
    • Designed multiple reporting systems for actionable data analysis and business intelligence.
    • Developed smsPREP API to allow for 3rd party integration into the system for sites such as Zinch.com and CollegeProwler.com.
    • Designed and built social gaming and social modes for eLearning.
    • Developed Facebook integrations for social learning.
    • Kannel SMS Gateway development and integration.
    Technologies: PHP, Joomla!, JavaScript, HTML, CSS, Node.js
  • Web Developer
    Circlefy (via Toptal)
    2011 - 2011
    • Responsible for the prototype development of the social network working under the “Scrum” model.
    • Managed the R&D team as “Scrum Master” (defining requirements, PM, etc.).
    Technologies: PHP, JavaScript
  • Project Manager
    Toptal Platform
    2011 - 2011
    • Defined requirements and managed a team of Ruby on Rails developers.
    • Responsible for QA/Testing.
    Technologies: Ruby on Rails
  • Front-end Developer
    IDEO (via Toptal)
    2011 - 2011
    • Created prototype websites for market testing.
    • Set up Google Analytics and Goal Tracking to measure their success.
    • Contributed to the UI / UX design process based on knowledge of usability best practices from Steve Krug of http://www.sensible.com/.
    • Implemented many variations of User Experience using jQuery and Youtube Custom Player.
    • Basic Flash development in ActionSript 3.0.
    Technologies: HTML5, CSS3, jQuery, Flash, ActionScript 3.0, HTML5, CSS3
  • Developer
    ConsumerBell (via Toptal)
    2010 - 2010
    • Creation of a WordPress plugin that allowed clients to post comments about any company, service or product.
    • The plugin included a “feed” to show the posted comments in real time.
    • This plugin also had a Backend integrated with WordPress administration panel.
    • Implemented Facebook and Twitter integration.
    • Developed different UI / UX elements using jQuery.
    Technologies: PHP, WordPress, HTML, CSS, JavaScript.
  • Developer
    DWP Internet
    2009 - 2010
    • Joomla! component and theme development.
    • Developed a generic “directory site” and then customized/deployed it to create 3 websites.
    • Optimization of the Mosets Tree component code—increasing site performance by ~200%.
    • Created a web-crawler from scratch using C++ / Python.
    • Converted many gigabytes of data into importable SQL, only using a couple regular expressions.
    • Executed full data mining processes, downloading, parsing and importing over a 400.000 records for 3 databases.
    Technologies: PHP, Joomla!, HTML, CSS, JavaScript.
Experience
Skills
  • Languages
    JavaScript, Bash, HTML5, CSS 3, Sass, PHP, CoffeeScript, C++, VB.NET, C, C#
  • Frameworks
    Express, Mocha, Twitter Bootstrap, CodeIgniter, Marionette.js
  • Libraries/APIs
    GridFS, Underscore.js, jQuery, Facebook API, Backbone.js, Stripe, Facebook Ads API, OpenCV, OpenGL, Backbone.Marionette, PayPal API, Twitter API, React.js
  • Tools
    Gulp.js, Mongoose, Vim, Git, SVN, RabbitMQ, Grunt, Adobe Photoshop
  • Paradigms
    Agile software development, Test-driven development (TDD), Object-oriented programming, User experience design, Event-driven programming, Behavior-driven development (BDD)
  • Platforms
    Linux, Node.js, Mac OS X
  • Storage
    MySQL, MongoDB, PostgreSQL, Redis
  • Misc
    Data Visualization, User testing, Brain-computer interface, Data Analysis, Computer Vision, Data mining, Digital signal processing, Natural Language processing
Education
  • Bachelor degree in Computer Science
    University of Buenos Aires - Buenos Aires
    2007 - 2015
Hire the top 3% of freelance developers
I really like this profile
Share it with others