Dariusz Urbanczyk
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Dariusz Urbanczyk

Ruby, Rails, TDD, jQuery MySQL, PostgreSQL, Redis, Elasticsearch, Node


London, United Kingdom


Ruby On Rails - Freelancer I am a full stack Ruby developer focused on Ruby, JS, Rails and Sinatra. You want to build an awesome application with high quality standard? you came to the right person.I have experiences with web application development from scratch to production with linux & OSX skills. Database experiences: MySQL, PostgreSQL, Mongodb; Test frameworks: FactoryGirl, Rspec, TestUnit, Capybara. Infrastructure experiences: Heroku, Amazon Web Service (EC2), Rackspace, Engineyard; Payment process experiences: Stripe, Paypal; FrontEnd: jQuery, PrototypeJs, Bootstrap, CSS3, HTML5, Sass, LESS, CoffeeScript; Love: Basecamp, GIT, Lighthouseapp, Semaphoreapp, Hipchat and hubots, engineyard, codeclimate, newrelic. Thank you for visiting my profile.

Dariusz Urbanczyk has added 14 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Jun 2013

    Ruby on Rails programmer
    $200.00 earned
    Fixed Price

  • Aug 2012 - Feb 2013

    We are currently seeking help on a variety of projects working with Ruby on Rails.
    Dariusz was a pleasure to work with and very fast learner. He communicated very well and went above and beyond expectations. I would hire him again for another project in a second!
    92 hours
    $17.00 / hr
    $1,566.55 earned

  • Oct 2012

    Check RoR code
    Dariusz is a great RoR developer. He comleted the urgent task very quickly and in a professional manner. Definitely will turn back to him in future!
    2 hours
    $22.22 / hr
    $33.33 earned

  • Nov 2010

    Web Programming
    Dariusz Urbanczyk has excellent programming abiltiy and fantastic communication skills ,his reachability, politeness,
    $5.56 earned
    Fixed Price

Dariusz Urbanczyk has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
Upwork Readiness Test for Independent Contractors and Company Managers 5.00 1st Place! 1 min
Ruby on Rails 3 Test 3.50 Above Average 31 mins
Knowledge of Ruby Skills Test 3.10 Below Average 34 mins
Ruby on Rails Test v2 (Old) 3.40 Below Average 34 mins
Ruby on Rails 2.3 Test 2.75 Below Average 25 mins
Mac OS X 10.5 Test 3.40 Below Average 18 mins
Ruby on Rails Test v1 (Old) 2.50 Below Average 38 mins
Knowledge of jQuery 1.3.2 Skills Test 3.00 Below Average 30 mins
Advanced PHP Test 3.40 Below Average 34 mins
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Work History

1,288 hours worked
13 jobs


More than 30 hrs/week


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