I applied through a recruiter. The process took 4 weeks. I interviewed at TikTok in Aug 2024
Interview
I interviewed for the backend engineer intern role. I did the OA, followed by 2 technical interviews. Each technical interview had a bit of behavioural baked into it and a leetcode question. I was asked leetcode mediums in both interviews. There was a resume deep dive, where I had to answer any question related to my resume, so you have to be very familiar with every keyword listed on your resume.
Also the interviews were very database-oriented where I was asked theoretical knowledge of databases and practical experience working on them, tradeoffs etc.
The behavioural part were simple questions like what is one conflict you faced working while working with a teammate?
Interview questions [1]
Question 1
What is one conflict you faced working while working with a teammate?
LC: Longest Substring Without Repeating Characters, Spiral Matrix
Database fundamentals with theoretical/practical knowledge of them.
Phone screen where the recruiter asked questions about my background, why I'm interested in TikTok etc. Also asked a question about a technical project I've worked on in a team.
There was an OA and then 2 rounds of interviews afterwards. 1st round was technical with LC med and basic CS concepts, 2nd round was behavioral questions with hiring manager.
TikTok’s interview process usually starts with an application and recruiter screen, followed by an assessment or technical test, several interviews with team members and hiring managers, and a final decision or offer. The exact number of rounds depends on the role, location, and whether it is technical or non-technical.
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