HR round then 3 rounds of technical interviews (leetcode + technical questions about database, networks, data structures etc)
Was Rejected after second technical round ( was able to give optimal solution to the given problem but missed a few edge cases that had to be pointed out by the interviewer which may be the reason why I was rejected)
Interview questions [1]
Question 1
Round 1. Leetcode (Merge Intervals) + Technical questions about Sorting and its best case/worst case scanarios, database concepts (concurrency etc), districuted systems relating to databases and some networking questions related to HTTP calls
Round 2. Resume dive (previous internship and techinal projects), questions about cookies and JWTs for security (related to my internship), questions about B+ tree operations,and Leetcode (square root of a floating point number)
I applied through a recruiter. I interviewed at TikTok
Interview
hr reach out and take one round interview, use ai to help to implement a feature , i only took one round. it's not hard but do not know what the interviewer's expectation
3x leetcode medium with some behavioral mixed in. Hiring manager round asked a bunch of behavioral stuff and gave 15min at the end to do leetcode mediu. All leetcode asked were on the harder side of medium.
The interview process consisted of an initial HR screening followed by a technical interview with the engineering team. The technical round focused on backend fundamentals, including data structures, system design basics, and problem-solving questions. There was also discussion about past projects and experience. The interviewer was very nice, professional, and made the conversation comfortable and engaging. Overall, the process was smooth and well-structured.
Backend Engineer applicants have rated the interview process at TikTok with 3.3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 29% positive. To compare, the company-average is 37.3% positive. This is according to Glassdoor user ratings.
Candidates applying for Backend Engineer roles take an average of 20 days to get hired, when considering 17 user submitted interviews for this role. To compare, the hiring process at TikTok overall takes an average of 30 days.
Common stages of the interview process at TikTok as a Backend Engineer according to 17 Glassdoor interviews include:
Skills test: 39%
One on one interview: 36%
Phone interview: 14%
Personality test: 4%
Presentation: 4%
IQ intelligence test: 4%
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