Fortinet

4 HackerRank questions with test cases (you should debug to make it function correctly) + knowledge questions about C and your background. No talking for the first 2 hours when you do the HackerRank questions.

First, you will receive an online assessment. If passed, you will proceed to the next steps with multiple rounds of interviews. There will be coding, technical, and behavioral questions. There will also be a highly toxic manager who constantly shows

Applied on LinkedIn. HR then sent me an invitation message on LinkedIn and arranged the online test in the form of a shared Google Doc. Four coding questions in C in one hour; two can be found online.