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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
Google logo
Google
Medium
Product Manager

YouTube trust and safety: product defenses against hateful, misleading and deepfake videos

You are a product manager at YouTube, asked how the platform should protect against three kinds of harmful content: hateful videos, misinformation and...

Product Design & StrategyTrust & SafetyProduct Design & Improvement
0
0
7 people solved
Jan 12, 2024
Google logo
Google
Medium
Software Engineer

Show leadership and teamwork

Show leadership and teamwork Behavioral Leadership Question Context You are in an onsite software engineering behavioral and leadership interview. The...

Behavioral & Leadership
16
0
83 people solved
Jul 29, 2025
Oracle logo
Oracle
Easy
Site Reliability Engineer Locked

Monitor 100,000 GPU Hosts and Trigger Repair Workflows

Design GPU-specific health monitoring and automated repair for a 100,000-host fleet. The solution covers active probes, telemetry ingestion, device-to...

System Design
1
0
25 people solved
May 24, 2026
Capital One logo
Capital One
Easy
Data Scientist

Match Year-2 profit to Year-1

Target Profit Volume Across Two Years Context You sell only classic burgers. Year 1 has negligible fixed costs; Year 2 introduces new fixed costs. The...

Statistics & Math
3
0
53 people solved
Oct 13, 2025
Google logo
Google
Medium
Product Manager

Metric Diagnosis: Tracing the Cause of a 10% DAU Fall on Google Maps

You are the product manager for Google Maps, and the daily active user count has fallen by 10%. Explain how you would figure out why it happened and w...

Analytics & ExperimentationMetric Diagnostics
1
0
9 people solved
Oct 24, 2024
Uber logo
Uber
Medium
Product Manager

Ride-hailing analytics: investigating a 10% decline in cancellations by riders

You are a product manager at Uber. A metric that tracks rider cancellations is down 10%. Walk through how you would triage it: how you would confirm w...

Analytics & ExperimentationMetric Diagnostics
0
0
7 people solved
Mar 12, 2024
Meta logo
Meta
Medium
Product Manager

Product Sense: Designing a Two-Sided Online Marketplace for Antiques

Design a product that lets people buy and sell antiques online. Explain whom it serves on each side of the transaction, which of their problems you wo...

Product Design & StrategyProduct SenseGrowth & Monetization
0
0
6 people solved
Jul 13, 2024
Microsoft logo
Microsoft
Medium
Product Manager

Back-of-the-Envelope Sizing of the Bing Search Engine's Revenue

Estimate how much revenue Microsoft's Bing search engine generates. Show how you structure the estimate, label each assumption, and finish with a figu...

Product / Decision MakingEstimation & Market Sizing
0
0
6 people solved
Dec 4, 2023
TuSimple logo
TuSimple
Medium
Product Manager

Inventing a Time-Travel Product for TuSimple, an Autonomous Trucking Company

TuSimple, a company known for developing autonomous trucking technology, wants you to design a time machine for it. Explain what the time machine is, ...

Product Design & StrategyProduct Sense
0
0
6 people solved
Apr 3, 2024
TikTok logo
TikTok
Medium
Data Scientist

Diagnose Decline in User Engagement and Experience Quality

Diagnose Decline in User Engagement and Experience Quality Product Metrics Deep-Dive and Causal Inference (TikTok) Context You are a data scientist wo...

Analytics & Experimentation
4
0
68 people solved
Aug 4, 2025
Coinbase logo
Coinbase
Hard
Data Scientist

Build and evaluate a conversion prediction model

Predicting 7-Day Purchase After Email Send Context You are given a CSV where each row is a user–email send (or scheduled send/control), with columns: ...

Machine LearningML System DesignFeature Engineering
7
0
129 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Software Engineer

Solve four data structure and algorithms tasks

1) Print the numbers at each level of a binary tree. Given the root, output the values level-by-level (each level on a new line or as a list of lists)...

Coding & Algorithms
7
0
64 people solved
Sep 6, 2025
Microsoft logo
Microsoft
Medium
Product Manager

Airport Terminal Vending Concept: Choosing the User, the Range and a First Version

Your task is to design a vending machine for airports. Decide whom it serves, what it sells, where it stands and how buying from it works. `hint Map w...

Product Design & StrategyProduct Sense
0
0
5 people solved
Nov 14, 2023
Google logo
Google
Medium
Product Manager

Security PM Strategy to Reduce Vulnerabilities Using Static and Dynamic Code Analysis

You are the product manager on a security team. Leadership has asked you to bring down the number of security problems that come out of the company's ...

Product Design & StrategyTechnical Tradeoffs for PMsApplication Security
0
0
9 people solved
Jan 31, 2025
DoorDash logo
DoorDash
Medium
Software Engineer

Design an API for pay computation with retries

You’ve implemented logic that computes a dasher’s pay from order event logs (events include timestamps and state transitions). Design an HTTP API to e...

Software Engineering FundamentalsAPI DesignDistributed Transactions & Idempotency
15
1
275 people solved
Jan 14, 2026
Apple logo
Apple
Medium
Product Manager

Explain Why an Everyday Physical Product You Love Is Well Designed

Pick a non-tech product you reach for often and would call a favorite. Explain what it is and why it works so well. `hint Explain the design, not the ...

Product Design & StrategyProduct Sense
0
0
7 people solved
Nov 18, 2024
Airbnb logo
Airbnb
Hard
Software Engineer

Enable secure offline reservation caching

System Design: Offline Caching for Reservations (PWA) Design a web application that supports offline access to reservation information. The app is a p...

System DesignCachingCryptography
24
0
246 people solved
Aug 12, 2025
Amazon logo
Amazon
Medium
Software Engineer Locked

Merge Multiple Sorted Arrays

This question evaluates a candidate's competency in array manipulation, merging techniques, and algorithmic complexity analysis, including handling ed...

Coding & Algorithms
3
0
29 people solved
May 22, 2026
Google logo
Google
Medium
Product Manager

Raising Farmers' Earnings at Local Markets: Product Design and Two-Sided Launch Plan

Imagine a product whose purpose is to help farmers earn more for the crops they sell at their local markets. Design the product, and lay out how you w...

Product Design & StrategyProduct SenseGrowth & Monetization
0
0
6 people solved
Mar 7, 2024
Clio logo
Clio
Medium
Software EngineerSenior+

Growing the Managers Who Report to You and Handling Low Performers

This prompt comes from a senior engineering manager loop for a role that manages other managers. One interview concentrated on people leadership in tw...

Behavioral & LeadershipMentoring & Team Growth
0
0
6 people solved
Dec 30, 2025
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