Interview Questions
Practice the exact questions companies are asking right now.
Questions
10.0k
Companies
520
Updated
08.21.2026
10.0k Questions 520 Companies08.21.2026
PLTCHK
"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"
_The_TaNk_
"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"
ChrisSenior SWE, LinkedIn
"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."
sleepy33
"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."
JakeSenior ML Engineer, Lyft
"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."
nuggetlord
"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."
CarlosFull Stack, Shopify
"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."
boba.tea.vibes
"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."
AndySWE-II, Google
"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."
couchpotato99
"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."
ShrutiData Engineer, Salesforce
"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."
midnightramen
"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."
BiancaFrontend Eng, Figma
"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."
tambrahm007
"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
toa
"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."
Showing 20 results
Role
Hard
Software Engineer LockedImplement an iOS scrollable grid with navigation
This question evaluates a candidate's proficiency with iOS UI layout and interaction, including grid layout and maintaining square cells, state manage...
Software Engineering Fundamentals
4
0
64 people solved
Jan 2, 2026
Easy
Data Scientist LockedMerge two sorted lists
This question evaluates a candidate's competency in array manipulation and merging algorithms, emphasizing understanding of ordered data and time comp...
Coding & Algorithms
4
0
72 people solved
Feb 13, 2026
Hard
Software EngineerSenior+Discuss Ownership, Learning, Trust, Scope, and Delivery
Discuss Ownership, Learning, Trust, Scope, and Delivery Prepare evidence-based behavioral answers about ownership, learning, thinking broadly, earning...
Behavioral & Leadership
2
0
14 people solved
Jan 1, 2026
Medium
Machine Learning Engineer LockedSimulate Turn-Based Monster Battles
This question evaluates the ability to implement a turn-based battle simulation with correct state management, turn semantics, knockout handling, dama...
Coding & Algorithms
14
0
121 people solved
Mar 9, 2026
Medium
Software EngineerDetermine if a 14-tile hand is winning
You are given an integer array tiles of length 14 representing a Mahjong-like hand. Each integer is a tile value from 1 to 9 (single suit). You may re...
Coding & Algorithms
20
0
206 people solved
Mar 9, 2026
Medium
Software Engineer LockedDesign a multi-tenant course purchase and delivery system
This question evaluates a candidate's skills in designing scalable multi-tenant architectures, covering data modeling for tenants, organizations, and ...
System Design
5
0
53 people solved
Jan 22, 2026
Easy
Software EngineerAnswer project deep dive and cross-functional questions
Behavioral / leadership round prompts You’re asked to cover some or all of the following: 1. Technical deep dive presentation - Prepare a short sli...
Behavioral & Leadership
35
0
390 people solved
Jan 22, 2026
Medium
Software Engineer LockedImplement array merge, round-robin scheduler, and trading simulator
This multipart problem evaluates algorithmic problem solving and systems-design competencies including in-place array manipulation, queue-based schedu...
Coding & Algorithms
19
0
199 people solved
Jan 22, 2026
Medium
Software EngineerHandle conflict, priorities, and ownership scenarios
Behavioral interview prompts Answer the following behavioral questions. Use concrete examples from your experience. 1) Disagreement / conflict - Descr...
Behavioral & Leadership
4
0
75 people solved
Jan 22, 2026
Hard
Software Engineer LockedDesign a real-time chat system with hot groups
This question evaluates system design and real-time distributed systems skills, including designing scalable chat architectures that support 1:1 and g...
System Design
78
0
541 people solved
Jan 22, 2026
Easy
Data EngineerSenior+ LockedCompute User Login Streaks
This question evaluates SQL proficiency in processing event logs for time-series analysis, encompassing date arithmetic, deduplication of same-day eve...
Coding & Algorithms
5
0
45 people solved
Apr 3, 2026
Medium
Site Reliability EngineerDescribe an On-Call Incident
Describe a real on-call incident you handled as part of site reliability or production support. Explain how the problem was detected, what alerts or m...
Behavioral & Leadership
3
0
72 people solved
Apr 3, 2026
Medium
Machine Learning EngineerDesign CI/CD for AI Services
Design a CI/CD platform for a large AI product organization. The platform must support backend services, model-serving APIs, data and feature pipeline...
System Design
10
0
131 people solved
Feb 13, 2026
Medium
Software EngineerBuild AI chat for spreadsheets
Design an AI chat interface for the spreadsheet product. A user can type natural-language commands such as: - "Sum all values in column K and write th...
ML System Design
9
0
126 people solved
Feb 13, 2026
Hard
Software Engineer AI LockedImplement a Searchable Logger Pipeline
This question evaluates proficiency in software design, data structures, and algorithmic text search by requiring a transformation pipeline, ordered i...
Coding & Algorithms
8
2
49 people solved
May 31, 2026
Medium
Software Engineer LockedGroup Photos and Sort Feed Items
This question evaluates proficiency in list/sequence transformation, detecting consecutive runs, grouping elements, aggregating attributes, and perfor...
Coding & Algorithms
1
0
13 people solved
May 31, 2026
Medium
Software EngineerInternExplain Common Machine Learning Tradeoffs
The interview included a rapid-fire machine learning theory round. Be prepared to answer questions such as: - What are overfitting and underfitting? H...
Machine Learning
6
0
61 people solved
Dec 31, 2025
Hard
Data EngineerDescribe Resolving Stakeholder Trade-Offs
Tell me about a time when you worked with multiple stakeholders who had different needs or priorities, and you had to create a solution that satisfied...
Behavioral & Leadership
9
0
68 people solved
Apr 30, 2026
Medium
Data ScientistNew Grad LockedCompute CDF from a PDF Function
This question evaluates a candidate's skills in numerical integration, applied numerical methods, and probability/statistics by requiring construction...
Coding & Algorithms
3
0
44 people solved
Apr 30, 2026
Medium
Data Scientist LockedDesign Identity & Trust Experiment
This question evaluates a data scientist's experimental design and causal inference skills, specifically A/B testing methodology, metric selection, po...
Analytics & Experimentation
4
0
48 people solved
Jan 21, 2026