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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
Meta logo
Meta
Medium
Product Manager

Defining Revenue Objectives and Guardrail Metrics for Instagram Reels

You own Instagram Reels as its product manager. Set out the monetization goals you would give the product and how you would track progress against the...

Analytics & ExperimentationMetrics & KPIsGrowth & Monetization
0
0
5 people solved
Oct 7, 2024
Google logo
Google
Medium
Product Manager

Building a Product That Turns Occasional Reading Into a Lasting Habit

You are a product manager asked to create a new product that helps people improve their reading habits. Choose who it is for and the problem it solves...

Product Design & StrategyProduct SenseMetrics & KPIs
0
0
7 people solved
Dec 30, 2024
Google logo
Google
Medium
Product Manager

Plan a Google-Led Initiative to Reduce Homelessness in San Francisco's Downtown Core

Imagine you work at Google and the company wants to do something meaningful about homelessness in downtown San Francisco. Answer as Google, not as the...

Product Design & StrategyProduct Strategy
0
0
4 people solved
Jun 9, 2024
Meta logo
Meta
Hard
Product Manager

Prioritize voice-to-text or assistant?

For the same accessibility-focused VR product, assume the team can ship only one feature first because engineering capacity is limited: voice-to-text ...

Product / Decision MakingPrioritization & TradeoffsAccessibility & Inclusive Design
6
0
54 people solved
Apr 10, 2024
Google logo
Google
Medium
Product Manager

Designing Better Content Sharing for an Online Tutoring Platform

You are the product manager for an online tutoring platform. It already covers the basics, such as video and audio calls between tutors and their stud...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
5 people solved
Jun 1, 2025
Google logo
Google
Medium
Product Manager

Estimate the Time for a 100 PB Coast-to-Coast Data Migration

Estimate how long it would take to get 100 petabytes of data from the East Coast of the United States to the West Coast. `hint Find the bottleneck Con...

Product / Decision MakingEstimation & Market SizingTechnical Tradeoffs for PMs
0
0
5 people solved
Aug 7, 2024
Uber logo
Uber
Medium
Data ScientistNew Grad Locked

Evaluate Marketplace Changes

This question evaluates a data scientist's competency in experimental design, causal inference, metrics instrumentation, A/B testing, and marketplace ...

Analytics & ExperimentationExperiment Design (A/B Testing)Metrics & KPIs
7
0
105 people solved
Feb 27, 2026
Peregrine logo
Peregrine
Medium
Software Engineer

Fetch, group, and print paginated activities

Fetch, group, and print paginated activities Given a paginated API that returns (totalCount, activities[]) for a requested page, implement code that i...

Coding & AlgorithmsAPI Integration & HTTP Clients
19
0
184 people solved
Aug 4, 2025
J.P. Morgan logo
J.P. Morgan
Medium
Software Engineer Locked

Design a cloud-based global property rental platform

This question evaluates skills in cloud-native system architecture, distributed systems design, scalability, security, data modeling, and operational ...

System Design
8
0
86 people solved
Feb 8, 2026
DoorDash logo
DoorDash
Medium
Product Manager

Product Sense: Finding the Highest-Impact Upgrade to Spotify's Podcast Experience

How would you make Spotify a better app for podcasts? Decide whose experience you are improving, find the problem most worth solving, propose a soluti...

Product Design & StrategyProduct Design & Improvement
0
0
5 people solved
Mar 8, 2025
Meta logo
Meta
Medium
Product Manager

Weighing a Dedicated News Destination for Facebook: Invest or Pass

You are a product manager at Meta. Facebook is considering whether to invest in a separate, dedicated experience for news, distinct from the way news ...

Product Design & StrategyProduct Strategy
0
0
6 people solved
Aug 3, 2025
Meta logo
Meta
Medium
Data Scientist

Identify Probability of Request Originating from Bad User

Identify Probability of Request Originating from Bad User Measuring Abuse in Friend-Requests: Bayes, Identification, and Precision Scenario A social-n...

Statistics & Math
8
0
59 people solved
Aug 4, 2025
Google logo
Google
Medium
Product Manager

Deciding Whether a Bike-Share Operator Should Add a Freemium Tier

A bike-sharing company is weighing whether to adopt a freemium model, in which some part of the service is free and customers pay to get more. As the ...

Product / Decision MakingGrowth & MonetizationBusiness Case Analysis
0
0
8 people solved
Dec 9, 2024
Google logo
Google
Medium
Product Manager

Mobile Marketplace for Secondhand Books: Users, Journeys and Information Architecture

You are designing a phone app where people can sell books they no longer need and buy secondhand copies from others. Both sides of the trade should be...

Product Design & StrategyProduct SenseTrust & Safety
0
0
7 people solved
Apr 30, 2024
Meta logo
Meta
Medium
Data Scientist

Promote Inclusion and Overcome Barriers in Social-Commerce Team

Promote Inclusion and Overcome Barriers in Social-Commerce Team Behavioral Interview: Barriers, Feedback, and Inclusion (Data Scientist — Social Comme...

Behavioral & Leadership
29
0
120 people solved
Aug 4, 2025
UiPath logo
UiPath
Medium
Machine Learning Engineer

Explain Transformer Layers and FFN Rationale

Explain Transformer Layers and FFN Rationale Explain the Transformer architecture in detail, then walk through the math step by step. 1. Describe the ...

Machine Learning
15
0
107 people solved
Aug 7, 2025
J.P. Morgan logo
J.P. Morgan
Medium
Software Engineer Locked

Design a URL shortener

This question evaluates a candidate's ability to design scalable web services and systems architecture, covering data modeling, routing, and high-read...

System Design
3
0
44 people solved
Jan 29, 2026
Microsoft logo
Microsoft
Medium
Software Engineer

Maximize profit with bounded sell window

Given an array prices[0..n-1] of daily stock prices and an integer D ≥ 1, you may perform at most one transaction (buy then sell). The sell day j must...

Coding & Algorithms
12
0
89 people solved
Aug 14, 2025
Amazon logo
Amazon
Medium
Software Engineer

Maximize stock profit with constraints

Maximize stock profit with constraints Given an array prices of daily stock prices, you may make at most two complete transactions (buy then sell). Af...

Coding & Algorithms
8
0
76 people solved
Aug 10, 2025
Airbnb logo
Airbnb
Medium
Product Manager

Apartment-hunting product design: users, pain points, solutions and success metrics

Design a product that helps people find an apartment. Decide what kind of apartment search you are solving for, choose the people you will design for,...

Product Design & StrategyProduct Sense
0
0
3 people solved
Oct 28, 2023
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