Scale Fast, Docs Slow
Scale Fast, Docs Slow
Operates at an impressive scale. Iterate quickly and fail fast to build successful features.
Fast growth results in a slightly disorganized ecosystem. Lots of technical documentation is fragmented, repeated, and often outdated. Additionally, it is usually written in Chinese, with algorithmic translations available or a translated version of the doc (sometimes outdated!) also available.
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TikTok Interview Questions
TikTok Interview Experiences
Backend Engineer
Design a map system. Started by linear probing and then LRU. I clearly got feedback that it works. However, finally it said I did not solve the problem, which is completely opposite from reality. Don't know what is happening.
Backend Engineer
Three rounds were conducted. The first two were technical, and the last was behavioral and system design. The first two interviewers were both engineers, while the last interviewer was the hiring manager. They all had somewhat heavy accents, makin
Backend Engineer
This is the first coding interview of the hiring process. The interviewer first asked some technical questions about my background, such as "What's a challenge you had in your internship?" Then, one LeetCode medium problem was presented, also with
Backend Engineer
San Jose, California, United StatesSeptember 1, 2025Design a map system. Started by linear probing and then LRU. I clearly got feedback that it works. However, finally it said I did not solve the problem, which is completely opposite from reality. Don't know what is happening.
Backend Engineer
San Jose, California, United StatesMay 1, 2025Three rounds were conducted. The first two were technical, and the last was behavioral and system design. The first two interviewers were both engineers, while the last interviewer was the hiring manager. They all had somewhat heavy accents, makin
Backend Engineer
San Jose, California, United StatesJuly 1, 2024This is the first coding interview of the hiring process. The interviewer first asked some technical questions about my background, such as "What's a challenge you had in your internship?" Then, one LeetCode medium problem was presented, also with
