Sergei Kvasov
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Sergei Kvasov

iPhone, iPad, iOS, Mobile Senior Developer


Minsk, Belarus


Hello, my name is Sergei. I am an iOS developer. I have a good knowledge of: - Objective C, xCode, Cocoa, strong base in OOP - Mobile UI/UX - Mobile security and QA - Agile development - Domains: business apps, social networks, location services, full cycle development from scratch I'm always aimed at solving your problems and achieving results. Fluent written and verbal english skills. Best regards, Sergei.

Sergei Kvasov has added 2 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Feb 2014

    iOS developer for Internet Of Things project
    3 hours
    $27.78 / hr
    $83.34 earned

  • Apr 2012 - Jun 2012

    Publish iPhone App
    Thank you so much! Appreciate the extra effort to help me work through complications in the project as they came up. Highly skilled, very professional, absolutely recommended!
    14 hours
    $16.67 / hr
    $337.05 earned

  • Apr 2012

    Iphone/Android for 35 Questionnaire
    Absolutely outstanding resource. Very professional, extremely knowledge and very helpful. Sergei and his team have cemented our relationship, and we will continue to use him for future app projects.
    11 hours
    $11.11 / hr
    $125.99 earned

  • Mar 2012

    iPhone app: scan VIN barcode + display data from our API
    Extremely professional and skilled phone developer. Fantastic UI and willing to work through each concern. Highly recommended!
    $111.11 earned
    Fixed Price

  • Feb 2012 - Mar 2012

    Project Cleanup - iPad App
    Sergei was fantastic to work with; the quality of the app created was excellent. I would definitely hire him again, and I definitely recommend him to anyone else looking for a qualified developer (:
    $166.67 earned
    Fixed Price

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


Name Score (out of 5) Time to Complete
Adobe Flex 3.0 Test 4.50 Top 10% 37 mins
iOS Programming Test 4.20 Top 20% 23 mins
iPhone Programming OS 4.0 Test 4.00 Below Average 33 mins

Work History

373 hours worked
12 jobs


More than 30 hrs/week

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370 hours

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