Development of cross-platform program related to live streaming (Windows, Android)

● I am looking for a senior developer or a small team of senior developers that can develop a program as follows: - Cross-platform program for Windows and Android. - Languages: C#, C++ and Java(Android). - IDE: Visual Studio, Android Studio. ● Qualification for applying: - Extensive experience with RTP/RTSP protocols. - Knowledge of GStreamer - Understanding of getting input data from USB external devices - such as the HID class, HidP_GetCaps, etc. - Languages: C#, Android (Java) - professional level, senior developer. 　　C++ - good understanding ● ### Notes ### - This is NOT a web app. If specialized in Web technologies, no need to apply. - Do not bid if you know you don't match all conditions required. - Automatic bids will be dismissed.