They really seem to care a lot more about solving leetcode problems than the experience on your resume. This is unfortunate because these problems are very non-applicable to the industry.
I applied through a staffing agency. The process took 2 weeks. I interviewed at Meta (Redmond, WA) in Jan 2023
Interview
Hour long initial interview, part technical questions and the rest of the time doing a few coding questions. Very nice interviewers, stayed on am extra 15 minutes to answer questions.
Interview questions [1]
Question 1
Semaphore v mutex, SPI I2C UART basics. Coding question doing basic bitwise operations, and then applying bitwise operators on a slightly difficult question.