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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
4.0k
Companies
967
Updated
10.24.2026
4.0k Questions 967 Companies10.24.2026
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
OpenAI logo
OpenAI
Medium
Product Manager

OpenAI Product Strategy: First Feature to Help People Without Tech Skills Use AI

OpenAI wants its AI tools to be easier to use for people who have no technical background. As a product manager, which product or feature would you pu...

Product Design & StrategyAI Product ManagementPrioritization & Tradeoffs
2
0
17 people solved
Oct 1, 2026
Amazon logo
Amazon
Medium
Product Manager

Experiment Design to Measure Whether Voice Ordering Lifts Amazon Purchase Frequency

You are a product manager at Amazon. A new feature that lets customers shop by voice is being tested. Design an A/B test that would show whether the f...

Analytics & ExperimentationExperiment Design (A/B Testing)Metrics & KPIs
1
0
16 people solved
Oct 11, 2026
Wise logo
Wise
Medium
Product Manager

Wise PM Execution: Deciding What a Shared Platform Builds When Teams Compete

You are the Product Manager for a platform at Wise, and several stakeholder groups are asking for different things from it at the same time. How do yo...

Product / Decision MakingPrioritization & TradeoffsCommunication & Stakeholders
1
0
11 people solved
Sep 22, 2026
Google logo
Google
Hard
Data Analyst

Investigate a Decrease in Webpage Warnings

Investigate a Decrease in Webpage Warnings A system that warns users about malicious webpages shows a decrease in the number of warnings displayed. Ho...

Analytics & ExperimentationMetric DiagnosticsData Quality & Validation
2
0
37 people solved
Sep 9, 2026
Netflix logo
Netflix
Medium
Software Engineer

Recommend New Friends from a Mutual-Friendship Graph and Scale the Approach

This round is framed as problem solving rather than pure coding. The interviewer asks you to work out how a social product should suggest new friends ...

Software Engineering FundamentalsGraphsHeaps & Priority Queues
1
0
26 people solved
Aug 31, 2026
Stripe logo
Stripe
Medium
Product Manager

Stripe: choosing the next financial offering to build for SMB merchants

You are a product manager at Stripe, the payments company. Stripe wants the next financial product it builds to do more for small and mid-sized busine...

Product Design & StrategyProduct StrategyPrioritization & Tradeoffs
1
0
16 people solved
Oct 3, 2026
Stripe logo
Stripe
Medium
Product Manager

Product Design: A Guided Tax-Filing Product Like TurboTax for Individual Filers

Design a tax-preparation product like TurboTax that walks individuals through preparing and filing their income tax returns. `hint Start from the shoe...

Product Design & StrategyProduct Sense
1
0
16 people solved
Sep 14, 2026
OpenAI logo
OpenAI
Hard
Software Engineer Locked

Design an IoT Logging Platform with Late-Arriving Metrics

Design an IoT logging platform with offline collection, reliable batch ingestion, remote collection requests, and historical metrics that update for l...

System DesignObservabilityBatch & Stream Processing
60
0
646 people solved
Sep 7, 2026
Wayfair logo
Wayfair
Medium
Applied Scientist Locked

Rank Homepage Modules for an E-Commerce Product

Rank e-commerce homepage modules using business objectives, seasonal eligibility, slot effects, slate diversity, cold-start exploration, and page-leve...

ML System DesignMetrics & KPIsExperiment Design (A/B Testing)
1
0
27 people solved
Sep 10, 2026
Waymo logo
Waymo
Medium
Data Scientist Locked

SQL: Users With No Rides in the Most Recent 7-Day Window, Including Non-Riders

Write a PostgreSQL query that lists users with no rides in the most recent 7-day window, including users who never rode. Tests anchoring a date window...

Data Manipulation (SQL/Python)SQL
12
0
104 people solved
Sep 10, 2026
Google logo
Google
Medium
Product Manager

Product Design: Driverless Vehicle and Service for the Daily Work Commute

Design a driverless vehicle that serves people's daily trips to and from work. `hint Same trip, every weekday A commute repeats on a predictable sched...

Product Design & StrategyProduct Sense
0
0
6 people solved
Oct 18, 2026
Revolut logo
Revolut
Medium
Product Manager

Revolut Money Transfers Abroad: Segments and Levers for a 2x Usage Goal

Revolut is a financial app that lets customers hold and exchange many currencies and send money to people and accounts in other countries. As a produc...

Product Design & StrategyGrowth & MonetizationMetrics & KPIs
2
0
14 people solved
Sep 7, 2026
Pinterest logo
Pinterest
Hard
Software Engineer Locked

Behavioral Deep Dive: Owned Project Metrics, Fast Decisions, Feedback, and Conflict

Behavioral practice for a software engineering onsite: give a self-introduction, then deep dive into the project where you had the most ownership and ...

Behavioral & LeadershipProject Deep DiveAmbiguity & Decision Making
6
0
55 people solved
Sep 2, 2026
Cohere logo
Cohere
Medium
Product Manager

Deep Dive on a Product You Shipped: Role, Key Decisions and Outcomes

The interviewer asks you to pick a product you have built and walk them through it. Answer as you would in a product manager interview. `hint Choose f...

Behavioral & LeadershipProject Deep Dive
1
0
9 people solved
Oct 2, 2026
Capital One logo
Capital One
Medium
Data Scientist Locked

Evaluate Growth and Pricing for a Grocery Delivery Startup

Work through a grocery delivery data science mini-case covering marketplace growth, unit economics, profit calculation, and regional pricing strategy....

Analytics & ExperimentationBusiness Case AnalysisGrowth & Monetization
57
0
386 people solved
Jul 12, 2026
OpenAI logo
OpenAI
Medium
Product Manager

Detecting and Mitigating Harmful Bias in an AI System: A PM's Plan

As a product manager at OpenAI, how would you keep an AI system you are responsible for from reinforcing harmful biases? `hint Name the harm before th...

Machine LearningAI Product ManagementFairness & Bias
3
0
24 people solved
Aug 18, 2026
DoorDash logo
DoorDash
Easy
Data ScientistSenior+ Locked

Reduce Cold-Food Incidents with Metrics and an Insulated-Bag Experiment

A marketplace experiment case about reducing cold-food incidents with insulated courier bags. Candidates must diagnose a delayed metric increase, defi...

Analytics & ExperimentationExperiment Design (A/B Testing)Experiment Analysis & Readout
35
0
272 people solved
Jul 27, 2026
Meta logo
Meta
Medium
Product Manager

Root-Causing an Instagram Satisfaction Decline During Ad Monetization Growth

You are a product manager at Meta working on Instagram. Instagram's advertising revenue has gone up, but over the same stretch its user satisfaction h...

Analytics & ExperimentationMetric Diagnostics
1
0
18 people solved
Sep 20, 2026
Datadog logo
Datadog
Medium
Product Manager

Using AI in Your PM Workflow and Judging Where AI Belongs in a Product

How do you use AI, both in your own work as a product manager and in the way you think about building products? `hint Concrete tasks, then limits Anch...

Product Design & StrategyAI Product Management
1
0
10 people solved
Oct 12, 2026
Tesla logo
Tesla
Medium
Product Manager

Tesla Touchscreen Redesign for Fewer Eyes-Off-Road Glances, With No Feature Lost

You are a product manager at Tesla. In Tesla's vehicles, most driver-facing controls run through a large central touchscreen rather than physical butt...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
1
0
12 people solved
Sep 30, 2026
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