Meta Software Development Engineer (SDE) interview questions

one screening, easy. then final loop with 2 tech rounds, 1 behavioral round and 1 system design round. completed in about two months. problems not that difficult. but didn't pass. cannot make mistake

2 round technical interviews. First one was online with hackerrank or similar, next one was in live with 3 different interviers from London Meta. For this second round, you are going to do first 2 technical tests and the interviewer will help you if you need any clarification. The laast one is more for human resources.