3-6 Years of experience in Android Telephony Framework . Understanding of RIL, IMS, Voice and Video call flow. Various GMS/CTS issues. Should have debugging capabilities to handle live network issues. If worked on any operator like ATT, Verizon, will be considered as added advantage. Handling stability issues, crash issues.If you are in any other Android Framework experienced also can apply i.e. Multimedia, Camera architecture, system UI, Setting app, various other components of Audio, Display etc. in Framework