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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
4.0k
Companies
972
Updated
11.02.2026
4.0k Questions 972 Companies11.02.2026
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

Defining a North-Star Metric and Guardrails for Web Search Inside ChatGPT

You are a product manager at OpenAI. How would you tell whether search in ChatGPT is succeeding? Lay out the metrics you would track. `hint Clicks mea...

Analytics & ExperimentationMetrics & KPIsAI Product Management
1
0
12 people solved
Dec 14, 2025
Stripe logo
Stripe
Medium
Product Manager

Observability platform design: metric ingestion, alert rules and on-call notification

Design a system that watches running software and tells people when something goes wrong: it gathers health signals from services and machines, lets t...

System DesignObservabilityReliability & SRE
0
0
15 people solved
Feb 13, 2026
Uber logo
Uber
Medium
Product Manager

Uber product strategy: raising the share of drivers who receive rider tips

You are a product manager at Uber. Only one driver in five currently receives tips. How would you help drivers earn more of them? Explain why you thin...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
1
0
7 people solved
Jun 27, 2026
OpenAI logo
OpenAI
Hard
Data Scientist Locked

Assess free-month promotion impact

This question evaluates a data scientist's competency in experimental design, causal inference, metric definition and prioritization, bias identificat...

Analytics & ExperimentationCausal InferenceMetrics & KPIs
19
0
287 people solved
Jan 22, 2026
Zillow logo
Zillow
Medium
Product Manager

Airbnb Marketplace Health: Picking One North-Star Measure for Guests and Hosts

If Airbnb could watch only one number to judge whether it is creating value, which metric should that be? Propose it and defend the choice. `hint Chec...

Analytics & ExperimentationMetrics & KPIs
1
0
7 people solved
Feb 24, 2026
Coinbase logo
Coinbase
Medium
Product Manager

Goal-Driven Feature Prioritization: Ranking a Roadmap for a Product You Know

Pick a product you know well and explain how you would decide which new features to build for it next. `hint Anchor on one goal A ranking only means s...

Product / Decision MakingPrioritization & TradeoffsRoadmapping & Planning
0
0
7 people solved
Apr 29, 2026
Bolt logo
Bolt
Medium
Product Manager

Plan the launch of multiple emotion reactions on Facebook when only Like exists

You are a product manager at Facebook at a time when the only way to respond to a post with one tap is the Like (thumbs-up) button. The company has al...

Product Design & StrategyRequirements & Launch ExecutionExperiment Design (A/B Testing)
0
0
8 people solved
Mar 22, 2026
DoorDash logo
DoorDash
Medium
Product Manager

Design a donation payment API for a fundraising event: flow, endpoints, failure handling

You are the product manager responsible for the payment API behind a charity event that collects donations. Design it: define what the API must suppor...

System DesignPlatform & API ProductsAPI Design
1
0
13 people solved
Mar 19, 2026
Google logo
Google
Medium
Product Manager

Gemini Competitive Strategy: Finding a Defensible Edge Over Rival AI Assistants

You are a product manager on Gemini. How should Google set Gemini apart from rival AI assistants, and how would you position it in the market? `hint W...

Product Design & StrategyMarket & Competitive AnalysisProduct Strategy
0
0
8 people solved
Jun 12, 2026
Google logo
Google
Medium
Product Manager

Google Product Sense: Reinvent the Parking Experience Around a Garage Google Runs

Google has decided to run a parking garage of its own, and you are the product manager. Design it: explain why Google would operate a garage and what ...

Product Design & StrategyProduct SenseProduct Strategy
0
0
9 people solved
Jun 4, 2026
Meta logo
Meta
Medium
Product Manager

Instagram Reels Launch Scorecard: Goals, North Star and Guardrails Across 150 Countries

You are the product manager for Instagram Reels, Instagram's short-form video feature, which has just been released in 150 countries. Set the goals fo...

Analytics & ExperimentationMetrics & KPIsLaunch Evaluation
1
0
11 people solved
May 6, 2026
Reddit logo
Reddit
Hard
Data Scientist

Design a causal evaluation without A/B testing

Non-Randomized Launch Decision via Synthetic Control: Complete Analysis Plan You need to make a go/no-go decision for a high-impact feature that canno...

Analytics & ExperimentationCausal InferenceHypothesis Testing
12
0
220 people solved
Oct 13, 2025
Google logo
Google
Medium
Data Scientist

Compute violation rate and flag precision in SQL

You are analyzing a Trust & Safety product in BigQuery. Assume 'today' is 2025-09-01 (UTC). Define precise metrics and write SQL to compute them, bein...

Data Manipulation (SQL/Python)SQLMetrics & KPIs
18
1
157 people solved
Oct 13, 2025
Microsoft logo
Microsoft
Medium
Product Manager

Present a Self-Built AI Project and the Product Decisions It Required

In a product manager interview at Microsoft, you are asked whether you have built anything on your own time, for example through "vibe coding" (making...

Behavioral & LeadershipAI Product ManagementProject Deep Dive
0
0
5 people solved
May 28, 2026
Google logo
Google
Medium
Product Manager

Chrome Browser Strategy: Vision, Themes and Sequenced Bets Over Three Years

You are a product manager on Google's Chrome team. Lay out a roadmap for the browser covering the next three years: decide where Chrome should be head...

Product Design & StrategyRoadmapping & PlanningProduct Strategy
0
0
6 people solved
Aug 23, 2026
Amazon logo
Amazon
Medium
Product Manager

Present Your PM Operating Model From Customer Input to Engineering Delivery

Prepare and present how you work with a product team, end to end. Your approach should explain how you collect feedback, how you decide what to priori...

Behavioral & LeadershipPrioritization & TradeoffsAmbiguity & Decision Making
1
0
11 people solved
Jan 10, 2026
Microsoft logo
Microsoft
Medium
Product Manager

Product Design Case: A Trip Planner for Parents, Kids and Grandparents Traveling Together

You are a product manager asked to design a new travel app built for families. Explain who you would build it for, what goes wrong for them when they ...

Product Design & StrategyProduct SensePrioritization & Tradeoffs
0
0
10 people solved
Jul 21, 2026
PayPal logo
PayPal
Medium
Product Manager

Diagnosing a 10% three-month decline in Uber Eats cart-to-order conversion

You are the PM for Uber Eats. Cart conversion has fallen 10% over the past three months. How would you work out what is causing it? `hint Let the shap...

Analytics & ExperimentationMetric DiagnosticsUser Behavior & Funnels
0
0
9 people solved
Feb 4, 2026
Uber logo
Uber
Medium
Product Manager

Plan Netflix's First Advertising Offering: Packaging, Ad Experience and Rollout

You are a product manager at Netflix and you own the launch of the company's first-ever advertising offering. How would you approach it? `hint Follow ...

Product Design & StrategyGrowth & MonetizationBusiness Case Analysis
1
0
7 people solved
Jan 19, 2026
Perplexity logo
Perplexity
Medium
Product Manager

Plan a Staged Launch of a New AI Feature at Perplexity, From Dogfood to Full Release

Perplexity has built a new feature. Explain how you would take it from a finished build to full availability for the users it is meant for. `hint Let ...

Product Design & StrategyRequirements & Launch ExecutionAI Product Management
0
0
8 people solved
May 8, 2026
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