TikTok

Software Engineer Interview Experience - San Jose, California

September 27, 2025

Negative ExperienceNo Offer

Process

Introduced the team (10 mins) and asked questions for the interviewer (unusually).
The coding problem had a vague description and turned out to be a medium-to-hard graph problem. There was not enough time to finish the problem.

Questions

Coding problem with a vague description.

It turned out to be a medium-to-hard graph problem.

Not enough time to finish.

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Interview Statistics

The following metrics were computed from 65 interview experiences for the TikTok Software Engineer role in San Jose, California.

Success Rate

Pass Rate

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

Experience Rating

Positive38%

Neutral34%

Negative28%

Candidates reported having good feelings for TikTok's Software Engineer interview process in San Jose, California.

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