TikTok

Software Engineer Interview Experience - United States, United States

October 18, 2025

Positive ExperienceNo Offer

Process

Referral --> 1st round --> 2nd round --> 3rd round --> 4th round --> HR Final Interview.

I got a referral from one of my friends, so I skipped the OA and directly got the interview.

Questions

Paths sum of a tree.

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Interview Statistics

The following metrics were computed from 3 interview experiences for the TikTok Software Engineer role in United States.

Success Rate

Pass Rate

TikTok's interview process for their Software Engineer roles in United States, the United States is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive67%

Neutral33%

Negative0%

Candidates reported having very good feelings for TikTok's Software Engineer interview process in United States.

TikTok Interview Questions

Subarray Sum Equals K

Medium

Determine the total number of continuous subarrays within a given array that sum up to a specific target value, k.

ArraysSliding Windows

Longest Substring Without Repeating Characters

Medium

Find the length of the longest substring within a given string that contains no repeating characters. The substring must be contiguous.

StringsSliding Windows

Generate Parentheses

Medium

Given a number 'n', generate all possible well-formed (balanced) parentheses strings of length 2*n. For instance, if n=3, you need to create all valid combinations like '((()))', '(()())', etc.

RecursionStrings