Standard Leetcode questions.
Make sure you can complete medium complexity questions in 10 minutes. This would allow you to take 2 questions within 40 minutes and would also allow interviewers to ask further questions.
Design questions can vary.
Brush up on basics in distributed systems, which should help a lot.
Think aloud.
Past failures and what you learned from them.
The following metrics were computed from 66 interview experiences for the Meta Software Engineer role in Canada.
Meta's interview process for their Software Engineer roles in Canada is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Meta's Software Engineer interview process in Canada.