Marcelo Castellani
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Marcelo Castellani

Ruby, Rails and C specialist


Santo Andre, Brazil


Over the last 14 years I have developed a wide range of applications for desktop, web and embedded systems in small, medium and large Brazilian companys using Java, Microsoft .NET, C, Ruby, Rails, Groovy, Python, Windows XP Embedded and Linux Embedded. Now I'm looking for new experiences with remote working in application development.

Work History and Feedback

  • May 2012 - Sep 2014

    Portfolio Web Application

    No feedback given

    $850.00 earned
    Fixed Price

  • Mar 2012 - Sep 2014

    Duplicate Web App -

    No feedback given

    $1,050.00 earned
    Fixed Price

  • Feb 2012 - Oct 2012

    Ruby-on-rails SaaS application developer
    The freelancer has made this comment private
    214 hours
    $15.00 / hr
    $3,200.25 earned

  • May 2012 - Jun 2012

    Rails based Question and Answer format CMS with Social capabilities

    No feedback given

    66 hours
    $17.00 / hr
    $1,127.61 earned

  • May 2012 - Jun 2012

    Backbone.js Application

    No feedback given

    1 hour
    $17.00 / hr
    $22.61 earned

  • Feb 2012 - Jun 2012

    Ruby on Rail and Extjs
    Great Developer. However contract had to come to natural end given the technology required for the job wasn't easily fit for Ruby.
    $150.00 earned
    Fixed Price

  • View More (37)

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Name Score (out of 5) Time to Complete
Ruby on Rails Test v1 (Old) 3.40 Above Average 17 mins
Java Test 2.50 Above Average 21 mins
Upwork Readiness Test for Independent Contractors and Company Managers 4.20 Below Average 12 mins