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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
Microsoft logo
Microsoft
Medium
Software Engineer Locked

Design a Ticketmaster-like ticketing system

This question evaluates a candidate's competency in designing scalable, consistent online ticketing platforms, testing knowledge of distributed system...

System DesignSystem Design FundamentalsPayments & Ledgers
4
0
90 people solved
Jan 9, 2026
Meta logo
Meta
Hard
Product Manager

Define Meta Pay Success

Meta Pay is a payments product used across Meta's ecosystem. Define how you would determine whether Meta Pay is successful, then make a product priori...

Product / Decision Making
5
0
45 people solved
Feb 22, 2024
Meta logo
Meta
Medium
Product Manager

Facebook Groups: product changes that build members' sense of belonging

Your goal is to make people in Facebook Groups feel a stronger sense of community. What would you change? Decide what that feeling means in practice, ...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
6 people solved
Jan 10, 2024
Amazon logo
Amazon
Hard
Software Engineer

Design ad clickstream analytics pipeline

Design ad clickstream analytics pipeline Design an end-to-end advertising clickstream ingestion and analytics platform that ingests events through Kaf...

System DesignData Ingestion & CDCBatch & Stream Processing
19
0
133 people solved
Jul 31, 2025
eBay logo
eBay
Medium
Software Engineer

Count Connected Land Regions

You are given an m x n 2D grid representing a map. Each cell is either land ('1') or water ('0'). A land region is formed by connecting adjacent land ...

Coding & Algorithms
5
0
40 people solved
Jan 27, 2026
Coinbase logo
Coinbase
Medium
Data Scientist

Estimate Super Bowl QR Code Scan Rate Using Historical Data

Estimate Super Bowl QR Code Scan Rate Using Historical Data Estimating QR Scan and Sign-up Conversion for a Super Bowl TV Ad Scenario A Super Bowl TV ...

Analytics & Experimentation
93
0
269 people solved
Aug 4, 2025
Oracle logo
Oracle
Medium
Software Engineer Locked

Extend and optimize an existing CLI tool

This question evaluates a candidate's ability to analyze an existing CLI codebase, perform gap analysis versus requirements, implement missing feature...

Software Engineering Fundamentals
3
0
45 people solved
Feb 12, 2026
Microsoft logo
Microsoft
Medium
Software Engineer

Implement tree traversals, BFS, and subsets generation

1) Define a TreeNode class for a binary tree with an integer value and left/right pointers. Implement preorder, inorder, and postorder traversals: (a)...

Coding & AlgorithmsTreesGraphs
7
0
102 people solved
Sep 6, 2025
Microsoft logo
Microsoft
Medium
Product Manager

Growth Plan to Double Revenue of a Shared-Ride Option

A ride-hailing app offers a shared-ride option in which riders heading in similar directions are matched into one car at a lower price (the carpool-st...

Product Design & StrategyGrowth & MonetizationPrioritization & Tradeoffs
1
0
7 people solved
Oct 16, 2024
PayPal logo
PayPal
Medium
Product Manager

Making the Case for Your Own Product Management Strengths at PayPal

You are interviewing for a product manager role at PayPal, and the interviewer asks you to explain what makes you a good candidate for product managem...

Behavioral & LeadershipSelf-Awareness & GrowthMotivation & Fit
0
0
6 people solved
Aug 29, 2025
Meta logo
Meta
Medium
Data Scientist

Determine Key Statistics for Article Comment Distribution Analysis

Analyze Comment Counts per Article You are analyzing the distribution of the number of comments each article receives on a content website. You have c...

Statistics & Math
87
1
202 people solved
Jul 12, 2025
R
Reinforce Labs
Medium
Software Engineer Locked

Compute minimum added stones to balance a tree

This question evaluates competency in tree algorithms, subtree aggregation, and integer resource balancing by requiring reasoning about hierarchical s...

Coding & Algorithms
3
0
48 people solved
Jan 8, 2026
Meta logo
Meta
Medium
Data Scientist

Evaluate the Success of Instagram Checkout

Evaluating Instagram Checkout Instagram Checkout allows users to discover products, add to cart, pay, and manage post-purchase flow without leaving In...

Analytics & ExperimentationLaunch EvaluationBusiness Case Analysis
92
0
120 people solved
Jul 12, 2025
Amazon logo
Amazon
Medium
Software EngineerSenior+ Locked

Measure platform success and drive adoption

This question evaluates a candidate's competency in platform leadership, operational metrics, organizational scaling, and driving cross-team adoption ...

System DesignLeadership & InfluenceMetrics & KPIs
11
0
94 people solved
Jan 6, 2026
Google logo
Google
Hard
Product Manager

Model-Based Engineering Rollout

Product Strategy Prompt: Model-Based Engineering Rollout for Hardware Development You are a Product Manager presenting to a non-expert Google executiv...

Product / Decision Making
14
1
98 people solved
Jul 4, 2025
Meta logo
Meta
Medium
Product Manager

Define Success Metrics for Facebook's Logged-Out Sign-In Page

When someone visits Facebook without being signed in, they land on a logged-out page that offers a way to log in and a way to create an account. You a...

Analytics & ExperimentationMetrics & KPIsUser Behavior & Funnels
0
0
5 people solved
Feb 5, 2026
Meta logo
Meta
Medium
Data Scientist

Posts and Replies Engagement

Posts and Replies Engagement A content platform stores user-generated posts and the replies that those posts receive. You need to answer two questions...

Data Manipulation (SQL/Python)
2
0
23 people solved
Feb 1, 2026
Google logo
Google
Medium
Product Manager

Build a 2020 Market-Size Estimate for Autonomous Vehicles From First Principles

Estimate the size of the market for driverless cars in 2020. Explain how you define the market, lay out the structure of your estimate, label every as...

Product / Decision MakingEstimation & Market Sizing
0
0
3 people solved
Nov 5, 2023
Google logo
Google
Medium
Product Manager

Fitbit Product Sense: Activity Tracking Experience for Children and Their Parents

You are a product manager at Google, which owns Fitbit. Design a Fitbit app for children. Explain which users you would build it for, which of their p...

Product Design & StrategyProduct SenseMetrics & KPIs
0
0
6 people solved
Feb 12, 2026
Instacart logo
Instacart
Medium
Software Engineer

Compute immediate delivery percentage

Compute immediate delivery percentage LeetCode 1173. Immediate Food Delivery I – Write an SQL query to calculate the percentage of immediate (same-day...

Coding & AlgorithmsSQL
12
0
153 people solved
Aug 4, 2025
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