Development of Visual Components for Qt App

We are looking for a freelancer having experience in writting C++ / Qt and QML apps. We want to outsource development of some visual components of our app, which later be integrated with the main source code. Desired candidates needs to have: - Large experience in writing C++ Apps - Understanding of differences between Windows, OSX and Linux Platform. - Good understanding of QML and Qt Multiplatform environment. We are looking for candidates who are interested in long term commitment.