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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
Uber logo
Uber
Medium
Software Engineer Locked

Implement Minesweeper and Word Search

This multi-part prompt evaluates grid-based algorithmic skills, including randomized board construction with neighbor counting, straight-line pattern ...

Coding & Algorithms
7
0
56 people solved
May 7, 2026
Amazon logo
Amazon
Medium
Software Engineer

Design an Extensible Cinema Ticket Pricing Engine

Interview Prompt Design a ticket-pricing engine where a movie format supplies a base price, showtime and seat tier each supply a multiplier, and zero ...

Software Engineering Fundamentals
3
0
25 people solved
May 1, 2026
Snowflake logo
Snowflake
Medium
Data Scientist

Query seven-day conversion with windows and dedupe

Assume all timestamps are UTC. Treat "today" as 2025-09-01. Define "last 7 days" as the inclusive window [2025-08-26 00:00:00, 2025-09-01 23:59:59]. S...

Data Manipulation (SQL/Python)SQLMetrics & KPIs
4
0
70 people solved
Oct 13, 2025
Amazon logo
Amazon
Medium
Software Engineer Locked

Leaf Domain Cumulative Scores

This question evaluates a candidate's ability to model hierarchical string data and aggregate values along a tree structure, a common pattern in codin...

Coding & Algorithms
4
0
41 people solved
Jun 23, 2026
Meta logo
Meta
Medium
Product Manager

Go or no-go on a new Facebook reaction, and the metrics that judge it after launch

You are the product manager who owns reactions on Facebook: the set of one-tap responses beyond Like that people can leave on posts and comments. You ...

Product / Decision MakingLaunch EvaluationMetrics & KPIs
1
0
9 people solved
May 3, 2026
Google logo
Google
Hard
Data Scientist

Diagnose Google Meet Disconnections and Assess Business Impact

Diagnose Google Meet Disconnections and Assess Business Impact Enterprise clients report that Google Meet calls frequently disconnect. You need to dia...

Analytics & ExperimentationMetric DiagnosticsBusiness Case Analysis
105
0
400 people solved
Jul 12, 2025
Airbnb logo
Airbnb
Medium
Product Manager

Diagnose and Respond to a 10% Drop in Airbnb's Monthly Bookings

You are a product manager at Airbnb. This month, total bookings on the platform are down 10%. Explain how you would figure out what is driving the dec...

Analytics & ExperimentationMetric DiagnosticsUser Behavior & Funnels
1
0
13 people solved
Dec 7, 2025
Amazon logo
Amazon
Medium
Software Engineer

Find earliest time password becomes irrecoverable

You are given a password string of length n and an attack order array attackOrder[1..n], a permutation of 1..n. At second i (1-indexed), the virus rep...

Coding & Algorithms
7
0
58 people solved
Sep 6, 2025
Roblox logo
Roblox
Hard
Data ScientistIntern

Compute DiD and validate parallel trends

You are given observational/experiment-like panel data as three equal-length arrays: - period[i]: an integer time period label for observation i (e.g....

Analytics & ExperimentationCausal Inference
12
0
111 people solved
Nov 23, 2025
Google logo
Google
Medium
Product Manager

Marketing Plan for a Google Bus: Audience, Positioning, Channels and Metrics

You are a product manager at Google, and your job is to plan how a Google bus gets marketed. Walk through the strategy you would build. `hint Decide w...

Product Design & StrategyGrowth & Monetization
0
0
5 people solved
May 27, 2026
Meta logo
Meta
Medium
Data Scientist

Compute ad revenue metrics by geography in SQL

You work on a marketplace app that shows shop ads. You are given the following tables. Assumptions - All timestamps are stored in UTC. - “Revenue” is ...

Data Manipulation (SQL/Python)SQLMetrics & KPIs
10
1
110 people solved
Oct 14, 2025
Uber logo
Uber
Hard
Software Engineer Locked

Schedule Non-Overlapping Meetings Efficiently

This question evaluates understanding of interval scheduling and overlap detection, proficiency in selecting efficient data structures for dynamic ord...

Coding & AlgorithmsIntervals & SchedulingData Structure Design
11
0
84 people solved
May 2, 2026
Medium
Backend Engineer

Compare Strings With Deletions

You are given two strings s and t. Each string may contain lowercase letters and the special character #. A # deletes the closest non-deleted characte...

Coding & Algorithms
3
0
48 people solved
Jan 23, 2026
Microsoft logo
Microsoft
Easy
Data Scientist Locked

Use confusion matrix to choose model metric

This question evaluates understanding of confusion matrix components, mapping Type I/Type II errors to false positives/negatives, selection and interp...

Statistics & MathModel EvaluationSupervised Learning
19
0
132 people solved
Feb 9, 2026
TikTok logo
TikTok
Medium
Machine Learning EngineerNew Grad

Design video captioning under compute limits

Scenario You work on a multimodal team at a large short-video platform. The team has a multimodal large model that takes a video (sampled frames, with...

ML System DesignLLM Inference & ServingEmbeddings & Vector Search
11
0
150 people solved
Feb 12, 2026
Meta logo
Meta
Medium
Software EngineerSenior+

Behavioral: Acting on Critical Manager Feedback and a Simplification Beyond Your Depth

This is a behavioral round in a senior to staff-level software engineering loop. Both prompts below are about growth: how you take in uncomfortable in...

Behavioral & LeadershipSelf-Awareness & GrowthFailure & Learning
0
0
13 people solved
Apr 1, 2026
Disney logo
Disney
Medium
Product Manager

Contrast Disney+ and Hulu on audience, content, business model and portfolio role

How would you compare Disney+ and Hulu? Walk through how you would structure the comparison and what you would conclude from it. `hint Remember who ow...

Product Design & StrategyMarket & Competitive AnalysisProduct Strategy
0
0
8 people solved
Feb 9, 2026
Shein logo
Shein
Medium
Software Engineer

Solve array modulo and parentheses tasks

Implement two tasks: 1) Count subarrays by modulo remainder - Input: integer array nums (length n), integers K (1 ≤ K ≤ 10^ 4) and R (0 ≤ R < K). - Ou...

Coding & Algorithms
4
0
71 people solved
Sep 6, 2025
Shopify logo
Shopify
Easy
Software Engineer

Implement cache and gift assignment system

You are given two independent programming problems. --- Problem 1: Implement a bounded key–value cache Design a data structure that stores key–value p...

Coding & AlgorithmsData Structure Design
45
1
456 people solved
Oct 1, 2025
Amazon logo
Amazon
Medium
Software Engineer AI Locked

Implement a Worker Hours Register

This question evaluates data structures and algorithms skills for temporal event tracking, interval arithmetic, stateful session management, ranking, ...

Coding & AlgorithmsLow-Level Design (OOP)Intervals & Scheduling
26
0
195 people solved
Feb 14, 2026
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