TikTok Interview Questions

Tim W. - "Clarify "What do you mean by favorite product? Are you thinking specifically hardware, software, or a feature within those, or something non-electronic? Dealer's Choice. "Are you asking why I love this product, or to explain why this product is a market leader independent of how i feel about it? Talk about why YOU love this product. Rephrase Question With all that in mind, i want to rephrase the question. "What is your favorite software product and what features in this product"See full answer

Anonymous Flamingo - "Design a washing machine for Google Step 1: Building Context through clarifying questions Are we looking at building a complete washing machine(new line of business) or a connected app for washing machine like Android Auto? Any specific geography to look for Goal? Increase usage of any specific google product or introduce smart white goods hardware Step 2: Target users Individuals Single Family Couple Hotels Students Laundromats **Apartments/Studen"See full answer

Sumit P. - "CQs: Content moderation system finds Inappropriate contents - profanity, violence, privacy concerning. Misinformation - false info, false claim, fomenting wrong views PII Misinformation → Wrong info Twisted info Incomplete info Goal - reliability and trust on the platform Long term increased engagement on informational content RAG system - what and why? RAG system has 3 components Brain - reasoning models Tool"See full answer

Michael A. - "First, I want to get a better sense of what is a DAU. What is considered “Active”? User sending message, reading message, opening app? All of the them, any activity within the Messenger App Second, it’s important to know the context of the change. What timeframe was this over? Let’s assume this was over the past 30 days. Ok, a follow up to this would be to check if this is a seasonal pattern? For example, there could be a correlation to Messenger usage and school starting. **This"See full answer

Alfred O. - "We can use dictionary to store cache items so that our read / write operations will be O(1). Each time we read or update an existing record, we have to ensure the item is moved to the back of the cache. This will allow us to evict the first item in the cache whenever the cache is full and we need to add new records also making our eviction O(1) Instead of normal dictionary, we will use ordered dictionary to store cache items. This will allow us to efficiently move items to back of the cache a"See full answer

Kay T. - "How I would approach this question: Understand the goal of the customer service platform: What is the main business goal of this company and how is the customer service platform serving the company goals? For this question, I'm assuming the user journey is that customers come to the customer service platform when they run into issues. Thus, ultimately the customer service platform is feeding into the top line business metric of customer retention. Do customers keep"See full answer

Rajesh V. - "As a PM i received a feedback from my program manager on my style of verbal communication. It is about me speaking faster when i wanted to get away with a topic that i wasn't confident (may be not backed up with data, or still in process of getting detailed insight of a problem etc.). Whereas when I'm confident I tend to speak slowly or more assertively that made people to follow easily. I welcomed that feedback so from then on when I'm not confident in a topic I became more assertive to let pe"See full answer

Pramod V. - "Referring to https://www.forbes.com/sites/forbesbusinesscouncil/2022/03/23/15-strategies-for-balancing-competing-stakeholder-priorities/?sh=7c82aa68262f Understand the conflicting priorities and align it with the goal/ objectives and the company mission. Start with the Least Common Denominator between the conflicting priorities to come to a commonality and start from there to objectively approach the next imp priority Always keep communication on and be transparent with 'equality' an"See full answer

Anubhav S. - " At low level: I would use two stacks: one for forward history and other for backward history. i go to tryexponent.com => this url will be stored in backward history stack. i go to google => again this url will be stored in backward history stack. i press back => data from backward history will be popped and put in to forward history stack. I press forward => data from forward history stack will be popped and put in to backward history tab. Also, whenever i go to any url,"See full answer

Gaston B. - "Use a representative of each, e.g. sort the string and add it to the value of a hashmap> where we put all the words that belong to the same anagram together."See full answer

Shen W. - "For self achievement, The product manager builds useful products for users and makes the world better. For the team, The product manager can work with the team, and leverage the team resources to make things happen, which is more impactful. For the company, Pm are usually problem solvers, help companies to solve problems and grow better "See full answer

Kofi N. - "const mergeIntervals = (intervals) => { const compare = (a, b) => { if(a[0] b[0]) return 1 else if(a[0] === b[0]) { return a[1] - b[1] } } let current = [] const result = [] const sorted = intervals.sort(compare) for(let i = 0; i = b[0]) current[1] = b[1] els"See full answer

Aymen D. - "It would have been more interesting to focus on the system design rather than the Trie DS, Interviewee could have just mentioned the Trie and passed to things more important. Interviewee should have focused on the factors on which he wants to scale the API servers, popularity of the query parts ? region may be ? A hash of many factors ? Caches should have definitely be discussed, Cache eviction policies, Cache invalidation managements... Interviewee should have mentioned which kind of API pro"See full answer

Ishan S. - "I can see that Gen Z (born between 1995 and 2009) needs a redesigned washing machine with a busier life than ever, newer living arrangements, and a longer time frame. Let's try and understand why we need a new product for Gen Z: Clarifying question - 1) Do we have a specific goal while redesigning the machine? Should we optimize for speed, space, or functionalities? (Assume - No) 2) Do we have geographical constraints? Countries have different power and electrical thresholds, which can decide"See full answer

Abhishek V. - "Python stack based solution: def is_valid(s: str) -> bool: stack = [] mapping = {')': '(', '}' : '{', ']': '['} for char in s: Opening parenthesis if char in mapping.values(): stack.append(char) Closing parenthesis elif char in mapping: if not stack or stack[-1] != mapping[char]: return False stack.pop() else: Invalid character return False return l"See full answer

Nikita B. - "Mission: Tiktok's mission is to inspire creativity and Joy. Any business wants to make sure that they are serving the value to their customers: For TikTok customers are: Viewers 2. Content Creators 3. Advertisers So few metrics we could measure are: Time spent/day Total no of videos created/day engagement rate = users who interacted in one of the meaningful action on Tiktok / total users at a day level either likes, share, watched vide for at least 5 mins, created video "See full answer

Avon T. - "Initialize left pointer: Set a left pointer left to 0. Iterate through the array: Iterate through the array from left to right. If the current element is not 0, swap it with the element at the left pointer and increment left. Time complexity: O(n). The loop iterates through the entire array once, making it linear time. Space complexity: O(1). The algorithm operates in-place, modifying the input array directly without using additional data structures. "See full answer

Vihari K. - "First, let me clarify a few points to ensure I understand the scope of the case study correctly: • Scope of Resources and Timeline: Are there any constraints on resources or timeline we should consider, or can we assume unlimited resources for this project? • Target Market: Is this tool aimed at a global market or specific regions? • Integration: Should the tool integrate with existing TikTok Shop features, or are we developing a standalone solution? • Technological Capabilities: Are there s"See full answer

Gabriele G. - "DFS with check of an already seen node in the graph would work from collections import deque, defaultdict from typing import List def iscourseloopdfs(idcourse: int, graph: defaultdict[list]) -> bool: stack = deque([(id_course)]) seen_courses = set() while stack: print(stack) curr_course = stack.pop() if currcourse in seencourses: return True seencourses.add(currcourse) for dependency in graph[curr_course]: "See full answer