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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
18.6k
Companies
980
Updated
11.12.2026
18.6k Questions 980 Companies11.12.2026
PLTCHK testimonial
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_ testimonial
_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"

Chris testimonial
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 testimonial
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."

Jake testimonial
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 testimonial
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."

Carlos testimonial
CarlosFull Stack, Shopify

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

boba.tea.vibes testimonial
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."

Andy testimonial
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 testimonial
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."

Shruti testimonial
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 testimonial
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."

Bianca testimonial
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 testimonial
tambrahm007

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."

toa testimonial
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."

PLTCHK testimonial
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_ testimonial
_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"

Chris testimonial
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 testimonial
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."

Jake testimonial
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 testimonial
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."

Carlos testimonial
CarlosFull Stack, Shopify

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

boba.tea.vibes testimonial
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."

Andy testimonial
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 testimonial
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."

Shruti testimonial
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 testimonial
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."

Bianca testimonial
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 testimonial
tambrahm007

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."

toa testimonial
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
Amazon logo
Amazon
Medium
Product Manager

Pivoting Midway After Evidence Showed the Original Goal Was Wrong

Describe a time when you were partway toward a goal and realized the goal itself might be the wrong one, so you changed direction. Explain what you no...

Behavioral & LeadershipAmbiguity & Decision MakingLeadership & Influence
1
0
8 people solved
Jun 20, 2025
DoorDash logo
DoorDash
Hard
Data Scientist Locked

Design a Homepage Store Recommender

This question evaluates system-level machine learning and recommender competencies, including candidate retrieval, filtering and ranking, feature-stor...

Machine LearningRecommendation SystemsRetrieval & Candidate Generation
25
0
262 people solved
Mar 15, 2026
Walmart Labs logo
Walmart Labs
Medium
Product Manager

Diagnosing Why More Walmart Orders Are Being Returned

You are a product manager at Walmart. The share of orders that customers return has been climbing. What would you look into, and in what order, to iso...

Analytics & ExperimentationMetric DiagnosticsSegmentation & Cohort Analysis
1
0
9 people solved
Aug 18, 2024
Meta logo
Meta
Medium
Product Manager

Meta product strategy: go/no-go call and entry plan for an education offering

You are a product manager at Meta, and you are asked for a recommendation: should Facebook move into education? Decide whether the move is worth makin...

Product Design & StrategyProduct StrategyMarket & Competitive Analysis
0
0
7 people solved
Aug 3, 2025
Google logo
Google
Medium
Product Manager

Explain a past product's design system: principles, components and trade-offs

An interviewer asks you to pick one product you have managed as its product manager and walk them through that product's design system. `hint Explain ...

Product Design & StrategyProject Deep Dive
0
0
9 people solved
Feb 26, 2025
Google logo
Google
Medium
Product Manager

Google Maps Phone MVP Limited to One Zoom Level: Pick the Map Scale and Justify It

You are the product manager for the Google Maps app on mobile phones. Treat it as a first-of-its-kind product: nothing like it exists yet, so there ar...

Product Design & StrategyProduct SensePrioritization & Tradeoffs
0
0
6 people solved
Nov 25, 2024
Medium logo
Medium
Medium
Product Manager

Diagnose and recover a sudden 35% drop in Medium's active-user percentage

You are the product manager for Medium. For the past three weeks you have been tracking the percentage of active users, which has been moving up and d...

Analytics & ExperimentationMetric Diagnostics
0
0
6 people solved
Mar 31, 2024
Meta logo
Meta
Medium
Product Manager

Leadership Plan to Reduce Workplace Isolation Among Meta Employees

You work at Meta, and you are asked what you would do to make sure people who work at Facebook do not feel lonely at work. Explain how you would under...

Behavioral & LeadershipMentoring & Team GrowthMetrics & KPIs
0
0
8 people solved
Jun 15, 2025
Microsoft logo
Microsoft
Medium
Product Manager

Microsoft PM Product Sense: Designing an E-Learning Product for One Learner Segment

Design a product that helps people learn online. The prompt is intentionally broad: decide who the product is for and what goal it serves, identify wh...

Product Design & StrategyProduct SenseMetrics & KPIs
1
0
7 people solved
Jul 21, 2025
DocuSign logo
DocuSign
Medium
Product Manager

Making a Specific Case for Joining DocuSign as a Product Manager

You are interviewing for a product manager role at DocuSign. The interviewer asks why you want to work there. `hint Lead with a product problem Anchor...

Behavioral & LeadershipMotivation & Fit
0
0
4 people solved
May 22, 2025
Zoom logo
Zoom
Medium
Product Manager

Prioritized Improvement Plan for Zoom's Workplace Chat Product

You are the product manager for Zoom Chat, the persistent messaging product inside Zoom where people send direct messages, talk in group channels and ...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
7 people solved
Apr 24, 2025
Pinterest logo
Pinterest
Medium
Data Scientist

Design Data Structure for Sparse Matrices Operations

Scenario Analytics engine stores extremely sparse numeric matrices. Question Design a data structure to store two sparse matrices and implement print(...

Coding & Algorithms
18
0
81 people solved
Jul 12, 2025
Google logo
Google
Medium
Product Manager

Go-to-market strategy for a Google API that turns plain-language questions into SQL

Engineers at Google have built an API that takes a request written in everyday language and returns an SQL statement for it. As the product manager, y...

Product Design & StrategyProduct StrategyAI Product Management
0
0
10 people solved
Sep 9, 2025
DoorDash logo
DoorDash
Medium
Software Engineer

Implement a simple service with tests

Implement a simple service with tests You're given a short written specification for a small service class (no external dependencies). Implement the c...

Coding & AlgorithmsTesting & Quality
12
0
148 people solved
Jul 15, 2025
Microsoft logo
Microsoft
Medium
Product Manager

Articulate Your Personal Product Management Principles and Show One in Action

How would you describe your philosophy of product management? Lay out the few principles that guide how you decide what to build and how you work with...

Behavioral & LeadershipPrioritization & TradeoffsLeadership & Influence
0
0
5 people solved
Oct 13, 2024
Nubank logo
Nubank
Medium
Product Manager

Apply product thinking to improve a restaurant you know well

Choose a restaurant you love and walk through how you would make it better. `hint Find what to protect Before changing anything, say why this place is...

Product Design & StrategyProduct Design & Improvement
0
0
3 people solved
Jun 17, 2026
Google logo
Google
Medium
Product Manager

YouTube PM decision: whether to build an age-based content filter for young children

You are a product manager at YouTube, and a filter feature for children below a certain age has been proposed. Explain how you would decide whether Yo...

Product Design & StrategyUser Research & DiscoveryExperiment Design (A/B Testing)
0
0
9 people solved
Feb 7, 2026
Meta logo
Meta
Medium
Data Scientist

Analyze Cross-Country Call Data for Recent Trends

Users +---------+-------------+----------+ | user_id | signup_date | country | +---------+-------------+----------+ | 1 | 2021-01-04 | US ...

Data Manipulation (SQL/Python)
1
0
24 people solved
Aug 4, 2025
Pagoda logo
Pagoda
Medium
Product Manager

Community-Governed Moderation: Product Design for an Open-Source Content Filter

Design an open-source system for filtering content in which a decentralized community, not a single company, sets and enforces the rules. Explain who ...

Product Design & StrategyTrust & SafetyProduct Sense
0
0
4 people solved
Feb 18, 2025
Google logo
Google
Medium
Product Manager

Present Your Three Proudest Achievements, Your Role and Their Impact

Which three accomplishments are you proudest of? For each one, explain what you personally did, what came of it, and why it ranks among your best work...

Behavioral & LeadershipProject Deep Dive
0
0
6 people solved
May 20, 2025
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