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Mateusz Grzegorzek

Mateusz Grzegorzek

Wrocław, Poland
Member since December 3, 2013
Mateusz is an iOS and Windows Phone expert helping companies and startups to design and develop mobile apps tailored to fit user needs. He has a Master’s Degree in Information Technology (2007, Warsaw University of Technology) and has been developing mobile applications since 2004.
Mateusz is now available for hire
  • Object-oriented Programming (OOP), 9 years
  • C#, 8 years
  • Cocoa Touch, 4 years
  • iOS, 4 years
  • Objective-C, 4 years
  • Windows Phone 7, 3 years
  • Windows Phone, 3 years
  • Windows Phone 8, 1 year
Wrocław, Poland
Preferred Environment
Xcode, OSX, Visual Studio, .NET C#
The most amazing... I've ever created are a series of mobile banking apps for iPhone, iPad, and Windows Phone.
  • Senior iOS/Windows Phone Developer
    2009 - PRESENT
    MoadBus, Inc.
    • Developed and maintained a mobile banking application for iOS and Windows Phone.
    • Developed a proof of concept app for iPad helping to perform day-to-day tasks for bank clerks.
    • Created several app prototypes for mobile payment, e-coupon, e-wallet, etc.
    Technologies: iOS, Windows Phone, Windows 8
  • Owner, Freelancer
    2006 - PRESENT
    • Developed the YomoMedia News Reader app for the Windows Phone OS.
    • Built several games for the SonicBoom Inc. company for iPhone.
    • Developed an eBook reader app for Windows Phone.
    • Created several apps for the Windows Mobile platform (Gentimer, Friendzee, and Fishopolis).
    • Handled several small projects for other companies, including maintaining existing apps, etc.
    Technologies: iOS, Windows Phone
  • Windows Mobile Developer
    2004 - 2006
    Psiloc Mobile Solutions
    • Developed and maintained several apps for Windows Mobile (World Traveller, TinyGPS, Wireless Presenter).
    Technologies: Windows Mobile, C++
  • Mobile Banking app suite (Other amazing things)

    The Mobile Banking suite consists of several applications for several mobile operation systems:
    - Mobile Banking
    - Mobile Wallet
    - Mobile Branch Banking

    The project was created under NDA and I cannot share the details about the contractor, but the link details some general information about the projects.

  • InstaSize (Development)

    InstaSize is still the original and easiest way to post entire photos on Instagram without cropping. We’ve just added a few more features that will make your photo’s that much better.

    * The app allows to post entire photos on Instagram without cropping
    * Photo editing features – filters, overlays, scale, crop, etc.
    * Use of multiple Nokia Imaging SDK filters (several custom ones)
    * Windows Azure services integration
    * Advanced Memory Management – the application requires significant amount of memory during rendering as it can create images up to 2048x2048px size.
    * Custom UI Elements - several UI controls and animations had to be created specifically for this app

  • Port BarTune iOS app to Windows Phone (Development)

    The Windows Phone app was created from scratch as exact replica of iOS version to give all users the same experience across all platforms (iOS, Windows Phone and Android). Android project involved upgrading existing app to match the UI of 2 other applications and fixings several bugs.

  • YomoMedia News Reader (Development)

    YomoMedia is the most complete RSS Newsreader and Podcast Viewer available for Windows Phone 7. It is now updated for Mango background operation and tiles.

  • Ebook Reader for Windows Phone (Development)'s eBook Reader lets users read their favorite books on the go. Users can visit and choose from a massive collection of popular books for rapid download or for reading online from any internet-connected device.

  • Languages
    C#, Objective-C, C++, C, Java
  • Frameworks
    Cocoa Touch, Silverlight, ASP.NET
  • Paradigms
    Object-oriented Programming (OOP), Agile Software Development
  • Platforms
    Windows Phone, iOS, Windows Phone 8, Windows Phone 7, Windows 8
  • Tools
    Visual Studio 2012, Visual Studio 2010, Xcode, Visual Studio 2008
  • Libraries/APIs
    CocoaPods, jQuery UI, jQuery, Facebook API
  • Storage
    SQL Server 2008, Microsoft SQL Server
  • Other
    User Experience (UX)
  • Master's degree in Information Technology
    2002 - 2007
    Warsaw University of Technology - Warsaw
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