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TikTok interview questions and practice

giveinterview has mock interviews built from 5 TikTok job posts since November 2026, 5 of them still open. Each practice interview runs the loop below: a 10-minute voice screen, then 2 rounds (coding, then coding). The topics that come up most are debugging, algorithms, communication, data structures, problem solving. 300 coding questions are known to come up in TikTok interviews (32 easy, 211 medium, 57 hard), 32 of them in the last six months. The most common topics are Array, String, Dynamic Programming, Hash Table.

Practice interviews built from public job posts and question lists. Each open post links to the original so you can apply on TikTok’s own site; TikTok does not run, see or review your practice.

Start a full TikTok mock interview →Add TikTok to my planOr one question first · 2 min
5Job posts to practise
5Posts still open
3Steps in a practice loop
100 minTypical total length

How the TikTok practice interview runs

The most common loop across the mock interviews built from TikTok job posts.

  1. ScreenVoice screen10 min
  2. Round 1Coding45 min
  3. Round 2Coding45 min

What TikTok interviews cover

Skills and topics, with the number of TikTok job posts that list each one.

Coding questions TikTok asks

From public company-tagged interview question lists. Most recent and most frequent first.

Easy 32Medium 211Hard 57
QuestionDifficultyAsked recently
LRU CacheMediumYes
Number of IslandsMediumYes
Merge IntervalsMediumYes
Course ScheduleMediumYes
Text JustificationHardYes
Decode StringMediumYes
Word SearchMediumYes
Search in Rotated Sorted ArrayMediumYes
Spiral MatrixMediumYes
Top K Frequent ElementsMediumYes
Longest Consecutive SequenceMediumYes
Basic Calculator IIMediumYes
Best Time to Buy and Sell StockEasyYes
Kth Largest Element in an ArrayMediumYes
Design HashMapEasyYes
Find Median from Data StreamHardYes
Subarray Sums Divisible by KMediumYes
Find First and Last Position of Element in Sorted ArrayMediumYes
Possible BipartitionMediumYes
Gas StationMediumYes
Reverse Nodes in k-GroupHardYes
Longest Mountain in ArrayMediumYes
Rotate ArrayMediumYes
SubsetsMediumYes
Longest Valid ParenthesesHardYes

TikTok job posts you can practise for

Open a post to practise its interview and get the link to apply on TikTok’s site.

RoleWhereStepsJob post
Backend Software Engineer Intern (TikTok-Social-Friending) - 2027 SummerOn-site · San Jose, CA3OpenPractiseAdd to plan
Software Engineer Intern (TikTok-Social-Friending) - 2027 SummerOn-site · San Jose, CA3OpenPractiseAdd to plan
Software Engineer Project Intern (Lead Ads) - 2026 Start (BS/MS)On-site · San Jose, CA3OpenPractiseAdd to plan
Software Engineer Intern (Foundation Platform) - 2027 SummerRemote · San Jose, CA3OpenPractiseAdd to plan
Software Engineer Intern (Ads Interface) - 2027 SummerOn-site · San Jose, CA3OpenPractiseAdd to plan

Questions about TikTok interviews

How many rounds are in a TikTok interview?

The mock interviews built from TikTok job posts usually run a 10-minute voice screen, then 2 rounds (coding, then coding), about 100 minutes in all.

What topics do TikTok interviews cover?

The ones that come up most are debugging, algorithms, communication, data structures, problem solving.

What coding questions does TikTok ask?

300 questions are tagged to TikTok in public interview lists: 32 easy, 211 medium and 57 hard. The most asked include LRU Cache, Number of Islands, Merge Intervals.

How do I practise a TikTok interview?

Answer a 2-minute question for free, then take a mock interview with an AI interviewer, voice and live coding. You get a review that marks the exact line that cost you. The screen and Round 1 of your first role interview are free.

Practise a TikTok interview before it counts.

Talk it through while you code, and get a review that marks the exact line that cost you. Free to start.

Start a full TikTok mock interview →Add TikTok to my plan

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