GEO Semiconductor UI/User Experience Developer interview questions

It started with my profile review with the technical recruiter and then the next round of interview with the HR manager. Then I was again scheduled for technical discussion with a manager based in Toronto location. Again i was asked to develop a video processing solution with c++ and QT. After this I was asked to attend in person interview in their office. There was three or four rounds in which two were general descriptive about their product line and the expectation and then two rounds of technical rounds in C++ and QT. Finally after waiting for few weeks, I was informed that they have dropped the position