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Diego Ballona

Diego Ballona

Belo Horizonte - State of Minas Gerais, Brazil
Member since January 18, 2014
Diego is an entrepreneur, software engineer, and technology enthusiast. Over the past 7 years, he has worked in marketing, software architecture, systems administration, software engineering, front-end engineering, and product development.
Diego is now available for hire
  • JavaScript, 8 years
  • Ruby, 5 years
  • Ruby on Rails (RoR), 5 years
  • Shell, 4 years
  • Test-driven Development (TDD), 4 years
  • SaaS, 4 years
  • Sass, 3 years
  • Redis, 3 years
Belo Horizonte - State of Minas Gerais, Brazil
Preferred Environment
OS X, Terminal, Git
The most amazing...
...thing I've created is a learning management system that allows users to choose the best learning path based on their abilities.
  • CTO, Partner
    2012 - PRESENT
    NDA2 (
    • Built a learning management system from scratch.
    • Architected the software and created standards focusing on healthy growth.
    • Managed teams with various skills such as engineering, design, product, marketing, etc.
    • Wrote video converting and versioning background tasks similar to the strategy employed by big players on the video encoding market.
    • Collaborated on products, services, and project sales modeling.
    Technologies: Ruby, Rails, Node.js, Ember.js, AngularJS, Shell Script, HTML5, CSS3, PostgreSQL, MySQL, MongoDB
  • Software Engineer
    2010 - 2012
    Viaweb (
    • Built a website for the biggest Christian school network in Latin America (Salesians).
    • Handled website development for 20+ clients.
    • Led the IT team. Was accountable for recruitment, team responsibilities, and team management.
    • Implemented Cloud IT infrastructure.
    • Made a 30 second video contest that had 700k+ hits in one month.
    Technologies: Ruby on Rails, PHP, Postgres, MySQL, HTML5, CSS3, OO JavaScript, Shell Script
  • NDA2 Learning Management System (Development)

    I developed learning objectives and technical prerequisites. I was also responsible for team management and product development.

  • Languages
    CSS3, JavaScript, XML, Sass, HTML5, Ruby, SQL, Bash Script, JRuby, Haml, PHP, CoffeeScript
  • Frameworks
    Ruby on Rails (RoR), minitest, Selenium, Ember.js, Zend Framework
  • Libraries/APIs
    jQuery, YouTube API, Lucene, Facebook API
  • Tools
    Shell, Grunt, Bower, Sublime Text, Nginx, Cucumber, RSpec, Adobe Illustrator, Vim Text Editor, Adobe Photoshop, Ansible
  • Paradigms
    REST, DevOps, Class-based OOP, Test-driven Development (TDD), Object-oriented Design (OOD), UX Design, Agile Software Development, Iterative programming, Asynchronous Programming, Behavior-driven Development (BDD), Event-driven Programming, Scrum, Design Patterns, Kanban, Search Engine Optimization (SEO), Web Design
  • Platforms
    Mac OS, CentOS, Red Hat Linux, Linux RHEL/CentOS, iOS, Amazon Web Services (AWS), Android, WordPress
  • Storage
    JSON, MySQL, Elasticsearch, Database Modeling, AWS S3, Data Integration, Redis, Sphinx Search Engine, PostgreSQL, Database Performance, MongoDB, NoSQL
  • Other
    AJAX, Lean Development, User Experience (UX), Information Architecture (IA), Scraping, API Design, System Administration, SaaS, API Integration, Sales, Product Development, Product Management, RESTful Web Services, Interaction Design (IxD), Business Intelligence (BI), Design, Product Support, Security, SEM
  • Incomplete degree in Information Systems
    2010 - 2011
    Centro Universitário UniBH - Belo Horizonte
  • Incomplete degree in Management
    2009 - 2010
    Centro Universitário FUMEC - Belo Horizonte
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