TikTok

Backend Developer Interview Experience - New York, New York

September 17, 2025

Neutral ExperienceNo Offer

Process

Recruiter - A phone call with the recruiter to ask generic questions.

Tech 1 - With a team member.

Tech 2 - With someone from another team.

Behavioral - With the hiring manager.

Questions

Algo and DS: Topo Sort and Interval Questions

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Interview Statistics

The following metrics were computed from 1 interview experience for the TikTok Backend Developer role in New York, New York.

Success Rate

Pass Rate

TikTok's interview process for their Backend Developer roles in New York, New York is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive0%

Neutral100%

Negative0%

Candidates reported having mixed feelings for TikTok's Backend Developer interview process in New York, New York.

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