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Sergey T.

Symfony2, MacOS and iPhone developer (PHP, C++, C, Objective-C)


Kharkov, Ukraine


15 years of experience in software development. During this period I developed over than 500 applications. My role in these projects there was very different: project leader, manager, developer, consultant. Last 5 years I was developing only iPhone applications. And I have strong knowledge in client-server development on unix platforms, know databases and have strong knowledge in web development. If you have application idea, just send me a message and I would happy to n discuss how to turn your ideas into reality.

Sergey T. has added 9 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Oct 2010 - May 2011

    iPhone and iPad Application Developer
    Sergey is a very capable developer and has a more extensive knowledge of the iOS platform than most developers I've come across.
    121 hours
    $16.67 / hr
    $2,208.90 earned

  • Aug 2010 - Oct 2010

    custom circular uislider.
    Fantastic Job Sergey!!! you worked with me to deliver exactly what i wanted!! I Highly recommend you to anyone who needs a very good coder for their project!!
    $200.00 earned
    Fixed Price

  • Jul 2010 - Sep 2010

    iPhone Bug Fixes and Code Review
    Job was completely on time and per specs. App works great.
    10 hours
    $15.00 / hr
    $155.10 earned

  • Apr 2010 - Jul 2010

    Simple Iphone App
    We are very pleased to work with Sergey. A true professionist, one of the fastest developer we worked with to complete the right tasks at the right time. We hope to work again with him on other projects we are working.
    $509.63 earned
    Fixed Price

  • Jun 2009 - Jul 2009

    iPhone App

    No feedback given

    $444.44 earned
    Fixed Price

  • May 2009 - Jul 2009

    iPhone/iPod Touch Game App
    Mr. Teryokhin provided an excellent job and completed the task as promised. There were things that I did not properly explain and Mr. Teryokhin adapted and fixed the issue with expediency. I highly recommend Mr. Teryokhin and his team to anyone who needs an iPhone/iPod Touch app made. His work is excellent and his prices are equally excellent.
    80 hours
    $20.00 / hr
    $1,600.00 earned

  • View More (3)

Sergey T. 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! 34 mins
PHP5 Test 4.50 Top 10% 37 mins
iPhone Programming OS 2.1 Test 3.40 Top 30% 48 mins
Advanced PHP Test 4.40 Top 30% 28 mins
iPhone Programming OS 4.0 Test 3.10 Below Average 38 mins

Work History

508 hours worked
12 jobs


Less than 30 hrs/week

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1,310 hours

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