Vladimir Penkin
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Vladimir Penkin

Professional Ruby on Rails developer


Taganrog, Russia


I am web-developer mostly focused on Ruby and Rails. I’m passionate about quality of code and believe that great developers build great products. Take GitHub or PivotalTracker for instance. I Co-founded successfull rails consultancy operating in Medellin, Colombia I am doing all kinds of work: - rapid prototyping - developing new features - refactoring old codebases - migration rails 2 > 3 > 4 and ruby 1.8 > 1.9 > 2 - consulting in technical questions Check out my recent updates at http://geekli.st/mindwork Have awesome project and need help? Have awesome idea and want to build it? Check out my personal site: http://penk.in for more ... moreinformation less

Vladimir Penkin has added 3 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Apr 2012 - Dec 2012

    Ruby DevOp

    No feedback given

    286 hours
    $44.44 / hr
    $12,687.62 earned

  • May 2011 - May 2012

    Ruby+Rails Dev for webapp

    No feedback given

    143 hours
    $27.78 / hr
    $3,981.44 earned

  • Aug 2010 - May 2011

    Ruby on Rails Expert

    No feedback given

    169 hours
    $25.00 / hr
    $4,221.00 earned

  • Mar 2010 - May 2011

    Want to try new technology? Ruby on Rails Developer

    No feedback given

    $100.00 earned
    Fixed Price

  • Oct 2010 - Feb 2011

    casual Ruby on Rails developer
    Vladimir is dedicated and diligent. I look forward to working with him again soon.
    9 hours
    $22.22 / hr
    $199.75 earned

  • Dec 2010

    Install TeamBox - (Ruby on Rails) on my server
    I am very pleased with Vladimir's work. He installed the software on my server within the contract period and it is working fine. I'll certainly use him again.
    $200.00 earned
    Fixed Price

  • View More (3)

Vladimir Penkin has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
Ruby on Rails 2.3 Test 3.50 Above Average 14 mins
AJAX Test 4.40 Top 10% 14 mins
Ruby on Rails Test v1 (Old) 3.60 Above Average 15 mins
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Work History

1,349 hours worked
26 jobs


More than 30 hrs/week

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