Urszula Hołodniak


Ruby geek in 100%. Conscientious and involved developer with the soul of an artist photographer. Participant and then mentor and organizer of Rails Girls workshops.


Backend Development Frontend Development API Design Refactoring Testing Git Photography


Ruby Ruby on Rails Java Script CoffeeScript jQuery Ember.js HTML5 CSS3 MySQL PostgreSQL RSpec Minitest Cordova

Management business with no paperwork. Customer service, create invoices, order management. All in one place, easy-to-use and painless. Available API in standard JSON API.

Major contributions

  • Backend development in Ruby on Rails
  • Frontend development in Ember.js
  • Building service to SAF-T

Collaborative web-based platform for idea management. It allows to empower people to gather ideas but also process them in a creative, productive and simple way. Based on the methodology CPS 6.1 (Creative Problem Solving).

Major contributions

  • Backend development in Ruby on Rails 4.2
  • Frontend development
  • API building
  • User authorization
  • Code refactoring
  • Testing

linguistic analysis

Linguistic analysis system is used for word processing and automatic category detection. The application can also detect the language of the text. The database contains over 6 million words in Polish and English. The system has a learning mode with a teacher and the categorization is based on statistical methods. Application provides an external API.

Major contributions

  • Database design architecture
  • Backend development in Ruby on Rails
  • Frontend development (jQuery, Bootstrap)
  • Code refactoring
  • Testing
  • Needs analysis
  • Solr implementing and configuration