TikTok Software Engineer Interview Questions

37+ TikTok Software Engineer interview questions drawn from real candidate reports. Sources include 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. Questions span every stage of the TikTok Software Engineer loop: OA, phone screen, system design, behavioral, and onsite coding.

What to Expect in the TikTok Software Engineer Interview

The TikTok Software Engineer interview process typically runs 4 to 6 rounds depending on seniority level. Based on candidate reports in the LeakCode database, the loop usually includes a resume review, an online assessment or coding phone screen, one or more technical rounds, a system design round (for senior and above), and a behavioral or values round.

Difficulty skews toward medium and hard LeetCode-style problems in the coding rounds. System design questions test breadth (component selection, scaling, trade-off reasoning) more than deep implementation. Behavioral questions are tied to the company's stated values and principles.

TikTok Software Engineer Questions (Sample)

So, you've got an opportunity, what to expect (tech).

recruiter easy 2026 reddit

So you pushed the button, your resume got through the screen and you're selected to talk. What happens next? I'm not HR, I'm tech - what happens before you hit my desk I can speculate at, but I can te

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TikTok Graduate OA

oa 2025 leetcode

I had the graduate OA, it had 7 questions 5 mcq 2 coding. The mcq were fine. In the two coding questions I did one very well but only 1/5...

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Tiktok OA

oa 2024 leetcode

I was asked this question in recent ByteDance OA Q) An array of n integers, arr, is given. Pick any index then calculate the XOR of the array from that...

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After being laid off for 8 months I finally cracked TikTok

system design 2024 reddit

I’ve been lurking in this subreddit for sometime now, I want to share my story to hopefully provide some hope for those who are in rough spots right now **Some background:** I graduated from a tier 2

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TikTok OA Question

oa 2024 leetcode

Given an array of integers, you can only choose one number to modify each time. You can add 1 for odd-numbered operations, and add 2 for even-numbered operations or also...

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Tiktok OA Hard SDE

oa hard 2024 leetcode

Spend it ALL There is a budget and an array of n costs. Repeat the following until budget is less than the minimum element in cost. Process: Start at element...

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TikTok OA question. can anyone please answer this question

oa 2024 leetcode

Minimum buckets required to divided an array of elements , such that each bucket must contain more than floor(x/2) same elements where x is the bucket size

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TikTok Initial Coding Round

phone screen hard 2024 leetcode

I just finished my phone interview with TikTok, where I was asked a question about an LRU Cache. Here are the full details of the question. Design a cache class with...

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Tiktok | Phone | Minimum people to shout out a sentence

2024 leetcode

Each person is repeatedly shouting out a word "tiktok". Their sounds can overlap with each other, creating a combined sentence. Determine the minimum number of people required to produce a...

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Tiktok | Round 1 (Lark) | Valid Meetings

phone screen 2024 leetcode

I recently had a Tiktok Lark interview for 2025 Fresh grad roles. And I got stomped by the question. The question (I thought) seemed similar to merging intervals and meeting...

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Tiktok onsite

onsite 2024 leetcode

Gist of the problem is : Given a string, you need to make the frequency of all characters the same by performing the minimum number of operations (insertions, deletions). But...

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TikTok | OA | Optimize TikTok Reels Viewing

oa 2024 leetcode

Optimize TikTok Reels Viewing Problem Description: A content creator is taking on a challenge to get really good at TikTok. Instead of regular activities, they decide to focus on a playlist...

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TikTok Senior Interview Quesion

2023 leetcode

I just got out of an interview with TikTok and they asked a very weird question. So the question was there is parking lot with spots connected to each other. The...

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Tiktok OA 2023 Questions

oa 2023 leetcode

If possible, please provide answer in python # Q1: Integer denoting the maximum popularity. <br><br> # Q2: Good Subset of a Binary Matrix [<br><br> # Q3: Can I Survive? Kindly provide the solution in python. <br><br> # Q4:...

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TikTok Online Assessment Questions - 2023 SWE Internship USA (Please help with answers)

oa 2023 leetcode

Question 1: A company is working on a new algorithm that operates on a special CPU that can handle n types of tasks, and the priority of the ith task...

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Difficulty Breakdown

3

hard

2

easy

Based on 37 questions with difficulty labels from candidate reports.

Interview Rounds

Here is how the TikTok Software Engineer questions in the LeakCode database break down by interview round, based on what candidates reported:

Round Questions in Database
oa 19
system design 2
recruiter 2
phone screen 2
take home 1
onsite 1

Most Common Topics

string (6) dp (5) array (4) greedy (3) graph (3) bit manipulation (3) matrix (2) design (2)

Question Recency

1

2026

1

2025

10

2024

12

2023

Question counts by interview year, based on candidate-reported dates.

How to Prepare for the TikTok Software Engineer Interview

Use the LeakCode question database as your primary research tool. Filter by role (Software Engineer), then by round type to focus your prep on the specific stages in your upcoming loop. Sort by recency to see what 2026 candidates actually faced.

  • Start with questions from the last 12 months. Interview processes change and recent data is the strongest signal.
  • Cross-reference questions that appear in multiple sources (1p3a, Blind, Glassdoor). Multi-source confirmation means a question has stronger recurrence probability.
  • For system design rounds: focus on the question patterns, not individual questions. The same design principles recur across many prompts.
  • For behavioral rounds: map your experiences to the company's stated values before the interview. Most behavioral questions at top companies are derivatives of a small set of core leadership competencies.

FAQ

How many TikTok Software Engineer questions are in the database?

37+ questions from verified candidate reports. The count grows as new reports are scraped daily from 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode.

Are these questions from real TikTok interviews?

Yes. All questions are sourced from actual candidate interview reports, not generated by AI. Each entry links back to its source URL where available, and questions are tagged with the year and round reported by the candidate.

How current is this data?

LeakCode updates daily. The database is filtered to exclude duplicate and low-quality entries. You can filter by interview year to focus on recent cycles.

Does LeakCode cover TikTok OA questions specifically?

Yes. The database includes online assessment questions tagged with round type. See the TikTok OA page for a dedicated view.

Related: TikTok All Questions · TikTok OA Questions · Browse All Companies · Data Sources