TikTok Interview Questions

Googlepm 1. - "Getting things done. Since the job is all about leading without authority, it is important to always have the north star in mind. When all in the team do not agree or see a potential solution: Data based evidence : Provide testing results/ Analysis results/ PoC on showing why a potential solution might be better than others, Bring in a trusted stakeholder : Have a conversation with the trusted stakeholder who first believes in the solution, then vouches for the solution to the team "See full answer

Tiago R. - "function findPrimes(n) { if (n < 2) return []; const primes = []; for (let i=2; i <= n; i++) { const half = Math.floor(i/2); let isPrime = true; for (let prime of primes) { if (i % prime === 0) { isPrime = false; break; } } if (isPrime) { primes.push(i); } } return primes; } `"See full answer

Bravin V. - "I aim to utilize hands-on activities to apply the knowledge I've acquired, safeguard the organization from threat actors, and contribute to its growth."See full answer

Joel A. - "Clarify: User experience improvements or revenue based improvements for the company? (Assumed UX) Can it be hardware or must it be software? (assumed I have the choice) Position: My favorite product is Airbnb. It's an app that let's people list their home for short term rental and then let's guests book those homes (or rooms) to stay in. It's used primarily for vacations but people all over the world now use it for business or even longer term stays. It's idea was pretty revolutionary a"See full answer

Jessie Y. - "Instagram Reels: Instagram's answer to TikTok, Reels allows users to create and share short-form videos within the Instagram app. It leverages Instagram's existing user base and social features. YouTube Shorts: YouTube introduced Shorts as a feature within its platform to enable users to create short, catchy videos. It capitalizes on YouTube's extensive content creator community and viewer base. Snapchat Spotlight: Snapchat's Spotlight feature highlights short-form videos in"See full answer

Kartikeya N. - "Clarifying questions By mutual follows, we mean that both of them follow each other on Tiktok, correct? : Yes We want to know an average number for the same, ie mean and not median or any other value, right? : Yes Shall we consider the global audience or that of a particular country? : Global Can we assume the time setting of this question as of 2025?: yes Here’s how I will tackle this question. > We will first estimate the total number of Tiktok users. Then we will try to"See full answer

Vihari K. - "Clarify Questions • Target Audience: Are we focusing on existing TikTok users, new users, or both? • Scope of Search Features: Are we looking at in-app search, search engine optimization (SEO), or both? • Geographical Focus: Are there specific regions we are targeting for user acquisition? Goal Our primary goal is to increase user adoption and market share by making it easier for users to discover and engage with TikTok Shop through optimized search features. User Segments Current TikTo"See full answer

Saipranay M. - "During the early learning stages of my career as a data scientist, I struggled to fully grasp the concept of patterns in seemingly random events. Despite thorough research, I remained skeptical about the universality of this idea. However, my perspective changed during a surprising scuba diving experience while on vacation. The underwater world I encountered not only amazed me but also gave me a key insight into patterns in nature and data analysis. As I dove into the clear waters, I witnessed"See full answer

Ruth J. - "Provided an overview of IG Search and the value it provides for users Gave 3 metrics that I would consider when determining success Shared the metric that I would use as the north star Got a follow up question. If users were clicking on irrelevant results from their search would that affect your metrics and how would you deal with that Do you think it is a bad thing if users use search to search for something, get irrelevant results and perform an action based on that?"See full answer

Guilherme F. - "A much better solution than the one in the article, below: It looks like the ones writing articles here in Javascript do not understand the time/space complexity of javascript methods. shift, splice, sort, etc... In the solution article you have a shift and a sort being done inside a while, that is, the multiplication of Ns. My solution, below, iterates through the list once and then sorts it, separately. It´s O(N+Log(N)) class ListNode { constructor(val = 0, next = null) { th"See full answer

Jagan M. - "This system design question is very small compared to other questions like design instagram, twitter, google drive etc... Since the design involves less components the level of detail we have to go in them were deep. I had to explain how to deal with all the NFR for the distributed cache system. Whether it is a push model or a pull model. Hade to do BOE calculations for the database too."See full answer

Rick E. - " O(n) time, O(1) space from typing import List def maxsubarraysum(nums: List[int]) -> int: if len(nums) == 0: return 0 maxsum = currsum = nums[0] for i in range(1, len(nums)): currsum = max(currsum + nums[i], nums[i]) maxsum = max(currsum, max_sum) return max_sum debug your code below print(maxsubarraysum([-1, 2, -3, 4])) `"See full answer

Alvaro R. - "bool isValidBST(TreeNode* root, long min = LONGMIN, long max = LONGMAX){ if (root == NULL) return true; if (root->val val >= max) return false; return isValidBST(root->left, min, root->val) && isValidBST(root->right, root->val, max); } `"See full answer