You work on algorithms. You need to find solutions with the lowest time complexity possible.
There are more interviews. You can prepare for them by grinding LeetCode questions for a few months.
For algorithmic questions, you should find a solution with optimal time complexity.
The following metrics were computed from 2 interview experiences for the Meta Software Engineer role in Serbia.
Meta's interview process for their Software Engineer roles in Serbia is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Meta's Software Engineer interview process in Serbia.