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Sergei S.

PHP/MySQL, Yii, Laravel, CI, Javascript, Ajax, HTML/CSS EXPERT


Zaporizhzhya, Ukraine


7+ years experienced web developer with outstanding programming skills that let me to create top-notch and high-quality, bug-free products. I have strong experience in the following technical areas: OOP, PHP, MySQL, JavaScript, JQuery, Ajax, HTML/CSS MVC: Yii, Zend, CodeIgniter, CakePHP, Laravel, Kohana frameworks Payment integrations: PayPal, Authorize.NET, 2Checkout, Stripe, Realex, etc Integrations via API, JSON: Facebook, Twitter, Amazon, Google Maps etc. Feel free to approach me with questions regarding your project. Can't wait to start working with you!

Sergei S. has added 9 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Jul 2014 - Dec 2014

    New Website Development Project
    Excellent Job. He was always available on Skype to answer any questions i may have. Very knowledgeable and skilled and know what he's doing. I worked with more than 3 months and always pleasure working with them.
    421 hours
    $17.50 / hr
    $7,373.34 earned

  • Jun 2014 - Aug 2014

    Web Scraping Expert
    Sergei is a good developer and we enjoyed working with him. His communication and responsiveness were top-notch and his skills were reasonably strong. In any case where the work was beyond his ability, he was very forthcoming and we worked well as a team to find additional freelancers to support and continue with the upcoming tasks. I enjoyed working with Sergei and will likely have additional jobs for him in the future.
    19 hours
    $17.00 / hr
    $320.16 earned

  • Jan 2014 - Jun 2014

    PHP CodeIgniter expert
    It was a pleasure working with Sergei and we will be happy to re-hire him again in the future.
    412 hours
    $18.00 / hr
    $7,419.00 earned

  • Jan 2014 - Mar 2014

    High level Php Programmer
    96 hours
    $18.00 / hr
    $1,728.00 earned

  • Sep 2013 - Oct 2013

    Online assistance with jquey mobile
    Good communications and willingness to work together on a project.
    38 hours
    $18.00 / hr
    $678.00 earned

  • Apr 2013 - Oct 2013

    Shipment Automation - Integrate UPS, DHL & USPS API

    No feedback given

    53 hours
    $18.00 / hr
    $957.00 earned

  • View More (6)

Sergei S. has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
CSS 3 Test 4.40 Top 10% 5 mins
Programming with C# Test 3.60 Top 20% 27 mins
PHP5 Test 4.50 Top 10% 32 mins
MySQL 5.0 Test 4.10 Top 10% 12 mins
JSON Test 4.10 Below Average 3 mins
JavaScript 1.8 Test 4.10 Top 30% 3 mins
ASP.NET with SQL Server Test 3.25 Top 30% 3 mins
HTML 4.01 Test 4.00 Top 10% 3 mins
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Work History

97% Job Success
3,459 hours worked
43 jobs


More than 30 hrs/week

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9,432 hours

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