Tiktok interview experience - Tech lead

Suprisingly 7 total rounds but easy-medium (took almost 4 months) with each round as Elimination. All interviewers were suprisingly awesome too. I currently work in one of the top FAANG company.

1st round - Recruiter screen

2nd round - 1 LC medium (linklist) + 1 LC hard based on A* bfs + pq (very easy though just more code)

  • make sure your code run all the test cases

3rd round - project based system design + 1 LC medium ( dice roller )

4th round - Hiring manager ( experience based and domain knowledge based )

5th round - cross functional system design ( its typical but expected go in depth )

6th round - cross functional 2 system desgins (1 project based and 1 general system expected to go way in depth)

7th round - Interested Hiring manager again sharing about scope, stuff , etc.

Rest are all HR calls for negotiation. I have no idea why I had to appear for so many different rounds since its seems to be just 5 rounds for most folks.

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