Have experience You need:

10+ years of C++/Qt experience Worked with images and graphics in Qt Worked with ffmpeg, video encoding, etc, have own scripts for this :) Good coding and documentation skills Good English Experience and ability to develop cross-platform applications for Mac OS X, Windows, Linux Knowledge of Git

Full CV: http://ua.linkedin.com/in/alekseykontsevich

What error are you getting exactly ? What have you tried ? What has failed ?