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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
Two Sigma logo
Two Sigma
Hard
Data Scientist Locked

Why Use a t-Statistic?

This question evaluates understanding of the t-statistic as a standardized measure for testing whether an estimated effect differs from zero, covering...

Statistics & MathHypothesis Testing
10
0
169 people solved
Mar 18, 2026
Airbnb logo
Airbnb
Hard
Software Engineer

Design a dynamic rental pricing system

System Design: ML-Driven Nightly Pricing for Short-Term Rentals Context Design a production ML system that recommends (and optionally auto-sets) night...

ML System DesignExperiment Design (A/B Testing)Feature Engineering
21
0
201 people solved
Aug 12, 2025
Ubs logo
Ubs
Medium
Data Scientist

Prepare responses to UBS behavioral and stock-pitch prompts

Prepare responses to UBS behavioral and stock-pitch prompts Prompt set (video / HireVue-style) You will answer the following prompts, typically under ...

Behavioral & LeadershipCommunication & StakeholdersAmbiguity & Decision Making
8
0
150 people solved
Jul 16, 2025
Disney logo
Disney
Medium
Product Manager

Which stakeholders you work best with as a PM, and how you handle the rest

Which kind of stakeholder do you most enjoy working with, and why? `hint Define the type by behavior Describe the stakeholder by how they work with yo...

Behavioral & LeadershipCommunication & StakeholdersConflict & Collaboration
0
0
6 people solved
Feb 8, 2026
Snapchat logo
Snapchat
Hard
Software Engineer Locked

Determine escape path with blockers and spreading fire

This question evaluates graph traversal and grid-based pathfinding skills, including connectivity analysis, obstacle handling, and reasoning about tim...

Coding & Algorithms
5
0
86 people solved
Feb 11, 2026
Walmart Labs logo
Walmart Labs
Medium
Software Engineer

Compute maximum simultaneous bus routes

You are given N bus routes, each defined by a start time (inclusive) and an end time (exclusive). Compute the maximum number of routes running simulta...

Coding & Algorithms
13
1
94 people solved
Sep 6, 2025
Meta logo
Meta
Easy
Analytics Engineer Locked

Detect fake accounts and measure their impact

This question evaluates competency in fraud detection, causal impact measurement, experimentation design, and operational analytics for product and ad...

Analytics & Experimentation
6
0
62 people solved
Feb 15, 2026
Robinhood logo
Robinhood
Medium
Product Manager

Set the Product and Technology Strategy for the Nest Video Doorbell as Its CTO

You are the chief technology officer responsible for the Nest video doorbell, the smart doorbell sold under Google's Nest smart-home brand. What strat...

Product Design & StrategyProduct StrategyTechnical Tradeoffs for PMs
1
0
13 people solved
Dec 4, 2025
N2JSoft logo
N2JSoft
Medium
Product Manager

Phased Plan to Extend an Invoice Management Product into Purchase Requisitions

You own an existing invoice management system, the tool a finance team uses to receive, approve and pay vendor invoices. Lay out a roadmap for bringin...

Product Design & StrategyRoadmapping & PlanningProduct Strategy
0
0
7 people solved
Jan 14, 2026
Salesforce logo
Salesforce
Medium
Software Engineer

Explain background and Salesforce motivation

Explain background and Salesforce motivation Behavioral: Background, Motivation, and Team Fit (Salesforce, GCP-Focused) Prompt Provide a concise, stru...

Behavioral & LeadershipMotivation & FitProject Deep Dive
18
0
144 people solved
Jul 31, 2025
Oracle logo
Oracle
Medium
Data Scientist

Count Interior Islands After Flooding

You are given an m x n binary grid representing land and water. - 1 = land - 0 = water An island is a maximal group of land cells connected 4-directio...

Coding & Algorithms
5
0
70 people solved
Jan 9, 2026
Uber logo
Uber
Medium
Product Manager

Juggling Several High-Stakes Initiatives at Once: Behavioral Story for PMs

Tell me about a time when you were leading more than one large, complex project at the same time. Describe what the projects were and what made each o...

Behavioral & LeadershipOwnership & ExecutionPrioritization & Tradeoffs
1
0
11 people solved
Nov 7, 2025
Maven Securities logo
Maven Securities
Medium
Data Scientist

Compute probability of random arithmetic progression triple

You have the integers from 1 to 30 inclusive. You randomly choose 3 distinct numbers without replacement, and all 3-element subsets are equally likely...

Coding & Algorithms
5
0
98 people solved
Nov 20, 2025
Uber logo
Uber
Medium
Data Scientist Locked

Evaluate UberEATS priority delivery and membership

This question evaluates a data scientist's competency in pricing strategy, marketplace economics, causal experimentation, metric selection, and estima...

Analytics & ExperimentationExperiment Design (A/B Testing)Business Case Analysis
8
0
86 people solved
Feb 28, 2026
Meta logo
Meta
Medium
Product Manager

Behavioral: how you brought clarity to an ambiguous problem and moved it forward

In a behavioral round of a product manager interview at Meta, you are asked to describe a time you faced a problem that was ambiguous. Walk through th...

Behavioral & LeadershipAmbiguity & Decision Making
1
0
13 people solved
Jun 7, 2025
Amazon logo
Amazon
Medium
Data Scientist

Identify SQL Joins and Correct Query Errors

Winner +----+-------+ | ID | Name | +----+-------+ | 1 | Alice | | 2 | Bob | | 3 | Carol | +----+-------+ ​ Loser +----+-------+ | ID | Name | ...

Data Manipulation (SQL/Python)
95
0
424 people solved
Jul 12, 2025
SIG (Susquehanna) logo
SIG (Susquehanna)
Easy
Data Scientist

Determine knights and knaves roles

Determine knights and knaves roles Knights and Knaves Logic Puzzle Context On an island, each person is either: - Knight: always tells the truth. - Kn...

Statistics & Math
19
0
132 people solved
Aug 4, 2025
Lyft logo
Lyft
Hard
Data Scientist

Develop Dynamic-Pricing Algorithm for Lyft Balancing Key Factors

Develop a Dynamic-Pricing Algorithm for Lyft You are tasked with building a dynamic-pricing system for Lyft, a two-sided ride-hailing marketplace. The...

Machine LearningBusiness Case AnalysisML System Design
44
0
218 people solved
Jul 12, 2025
DoorDash logo
DoorDash
Medium
Data Scientist

Convince Stakeholders: Prioritize Data Science Projects Effectively

Convince Stakeholders: Prioritize Data Science Projects Effectively Behavioral: Influencing Stakeholders and Prioritizing Work Context As a data scien...

Behavioral & LeadershipLeadership & InfluenceCommunication & Stakeholders
17
0
120 people solved
Aug 4, 2025
SoFi logo
SoFi
Medium
Software Engineer

Explain GC, singleton, and OOP principles

Answer the following Java/software-engineering fundamentals questions: 1. How does Java garbage collection work at a high level (generational GC, mark...

Software Engineering FundamentalsMemory ManagementLow-Level Design (OOP)
12
0
136 people solved
Feb 4, 2026
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