TikTok Software Engineer Interview Questions
Preparing for TikTok Software Engineer interview questions requires understanding the company’s product focus and scale. TikTok typically
"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"
"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"
"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."
"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."
"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."
"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."
"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."
"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."
"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."
"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."
"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."
"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."
"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."
"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Solve string grouping and tree right-view problems
Problem 1: Group words that are anagrams You are given an array of strings words. Two strings are anagrams if they contain the same characters with th...
Delete nodes in linked list and binary tree
You are asked to solve two short coding tasks. You may assume standard node definitions: - Singly linked list node: val, next - Binary tree node: val,...
Solve three classic coding problems
You are given three independent coding tasks. Implement a function for each. 1) Longest Increasing Subsequence (LIS) Given an integer array nums, retu...
Find top-k rated nodes via traversal
You are given a finite graph (directed or undirected) with n nodes and m edges. Each node u has an integer rating r[u]. Given a starting node s and an...
Segment a message with width-constrained suffixes
Given a message string s and an integer width W, split s into consecutive segments and append a suffix "i/n" to each segment indicating its 1-indexed ...
Flatten object & Promise.all
Question Given a nested JavaScript object, write a function to flatten it so that nested keys are converted to a single-level path (e.g., {a:{b:1}} ->...
Compute widest level span in a binary tree
Given a binary tree, define the width of a level as the number of positions between the leftmost and rightmost non-empty nodes at that depth when node...
Solve top-K and string rotation match
Solve top-K and string rotation match 1) Given an unsorted array of integers and an integer k, return the k largest elements in descending order. Impl...
Compute maximum path sum in a binary tree
Question You are given the root of a binary tree where each node contains an integer value (which may be positive, zero, or negative). Return the maxi...
Explain DPO and construct its training data
You are working on a project to fine-tune a large language model (LLM) using Direct Preference Optimization (DPO). Answer the following: 1. Conceptual...
Format messages with paginated suffixes
You are given a message string s and an integer width w. Split s into multiple chunks, preserving character order, and append a suffix "i/n" to each c...
Implement a match-3 board resolver
Question Implement a match-3 board resolver (the core loop of a "candy crush"-style game). You are given an m×n grid of cells. Each cell holds a value...
Compute rooms and verify tree completeness
This question has two independent algorithm problems on a single calendar/tree theme. Treat each Part as a self-contained coding exercise: implement a...
Solve three algorithm tasks
Solve the following algorithm tasks and explain your approach, time complexity, and space complexity for each: 1) Fully justify text: Given an array o...
Explain Kafka architecture and reliability semantics
Explain Kafka architecture and reliability semantics Kafka Architecture and End-to-End Semantics You are asked to explain Kafka's core architecture an...
Explain RL policy types and modern policy gradients
Machine Learning Fundamentals: RL Policy Methods & Efficient Attention This is a conceptual machine-learning interview spanning two areas: modern poli...
Answer common behavioral questions using STAR
A hiring manager interview focuses on resume/project deep-dives and standard behavioral questions. Prepare structured responses for prompts like: - Te...
Plan QA testing for a new feature
Scenario You are the QA/Test Lead for a social app’s Friends page. A new feature is being added (e.g., new friend recommendation module, new friend re...
Implement O(1) randomized multiset
Implement O(1) randomized multiset Write code for a data structure that supports add(x), remove(x), and getRandom() in average O( 1) time where duplic...
Walk through resume and resolve conflicts
Walk through resume and resolve conflicts Walk me through your resume. For each major project (use two representative ones, e.g. your most data- or sy...