TikTok

SWE New Grad Interview Experience - United States

September 15, 2025

Positive ExperienceNo Offer

Process

Questions were asked regarding the database (B+ tree) and gRPC mechanism. A coding question related to DP was also posed.

Questions

Q: How is a B+ tree used in a database?

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Interview Statistics

The following metrics were computed from 5 interview experiences for the TikTok SWE New Grad role in United States.

Success Rate

Pass Rate

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

Experience Rating

Positive80%

Neutral20%

Negative0%

Candidates reported having very good feelings for TikTok's SWE New Grad 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