I applied online. I interviewed at Parallel Wireless
Interview
Interview process for 8+ years experienced candidate had 5 rounds. 3 rounds were telephonic and 2 were f2f. It took almost 2 weeks to complete the process. Interview was taken by people at different levels like architect, people from higher management, leads etc. Overall the process was very smooth.
Interview questions [1]
Question 1
They asked mostly domain related questions on LTE. Different call flows like attach and handovers. Also asked for events that take place after UE power on till attach. In case of programming they asked mostly questions related to the architecture, multithreading/multiprocessing etc.