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Ignacio Freiberg

Ignacio Freiberg

Argentina
Ignacio Freiberg

Ignacio Freiberg

Member since June 28, 2012
Argentina
Ignacio is a software engineer with more than 7 years of experience in many programming languages, libraries, & frameworks. He enjoys working in freelance mode to afford him the opportunity to constantly learn and develop new skills, & he is familiar with different work modalities & technologies.
Portfolio:
  • GoChime (via Toptal)
    PHP, JavaScript, Node.js
  • AdWorx (via Toptal)
    PHP/MySQL, CodeIgniter, phpUnit, phpDoc...
Experience:
  • PHP, 7 years
  • JavaScript, 6 years
  • C++, 4 years
  • jQuery, 4 years
  • Git, 4 years
  • Node.js, 2 years
  • MySQL, 5 years
  • MongoDB, 2 years
Availability:
Part-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:
  • GoChime (via Toptal), Web Developer (2011 - PRESENT)
    • 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
  • AdWorx (via Toptal), Lead Developer (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
  • smsPREP (via Toptal), Lead Developer (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
  • Circlefy (via Toptal), Web Developer (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
  • Toptal Platform, Project Manager (2011 - 2011)
    • Defined requirements and managed a team of Ruby on Rails developers.
    • Responsible for QA/Testing.
    Technologies: Ruby on Rails
  • IDEO (via Toptal), Front-end Developer (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
  • ConsumerBell (via Toptal), Developer (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.
  • DWP Internet, Developer (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
    Bash, CoffeeScript, Sass, CSS 3, PHP, C++, HTML5, JavaScript, VB.NET, C, C#
  • Frameworks
    Backbone.js, Twitter Bootstrap, Mocha, Express, CodeIgniter, Marionette.js
  • Libraries/APIs
    Facebook API, Facebook Ads API, Underscore.js, GridFS, Mongoose, OpenCV, jQuery, Stripe, PayPal API, OpenGL, Twitter API
  • Tools
    SVN, Git, RabbitMQ, Vim, Photoshop, Adobe Flash
  • Paradigms
    Object-oriented programming, User Experience Design, Agile software development, Event-driven programming, Test Driven Development, Behavior-driven development (BDD)
  • Platforms
    Linux, Mac OS X, Node.js
  • Storage
    MongoDB, PostgreSQL, MySQL, Redis
  • Misc
    Data mining, Computer Vision, Digital signal processing, Brain-computer interface, Data Analysis, User testing, Data Visualization, Natural Language processing
Education:
  • Bachelor degree in Computer Science (2007 - 2015)
    University of Buenos Aires - Buenos Aires
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