I applied in-person. The process took 1 week. I interviewed at PTC (Tel Aviv-Yafo) in Sept 2019
Interview
1 on 1 interview with technical questions, about 2-3 hours.
Basic language understanding is required as pass by reference/value.
Most of the question code related, some are general tricky questions.
Required to implement algorithms on whiteboard/paper
Interview questions [1]
Question 1
Answer basic questions in C, pointers, de-references, function declaration, pass by-value/reference
I applied online. The process took 2 weeks. I interviewed at PTC in Aug 2021
Interview
General questions and self presentation, followed by technical questions, mostly cpp-oriented. Writing code on paper during interview. Questions differ according to targeted team. In my experience they were mostly related to specific cpp mechanisms, and working with trees, as well as some questions about complexity analysis.