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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
11.9k
Companies
569
Updated
10.02.2026
11.9k Questions 569 Companies10.02.2026

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>Build a 30-day plan from PracHub's Meta SWE questions.

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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
Figma logo
Figma
Hard
Data Scientist Locked

How would you measure product success?

This question evaluates a data scientist's ability to design and interpret product analytics for a subscription-based, seat-licensed collaborative pro...

Analytics & ExperimentationMetrics & KPIs
10
0
135 people solved
Apr 9, 2026
1Password logo
1Password
Easy
Software Engineer

Explain Role Fit, Conflict Resolution, and Learning

Explain Role Fit, Conflict Resolution, and Learning Prepare concise answers for a recruiter and hiring-manager conversation. Use only real experience ...

Behavioral & Leadership
1
0
18 people solved
Apr 6, 2026
Uber logo
Uber
Medium
Data ScientistNew Grad Locked

Should Uber double member discounts?

This question evaluates competency in causal inference, experimental design, statistical power and sample-size analysis, metric definition, and two-si...

Statistics & MathExperiment Design (A/B Testing)Experiment Analysis & Readout
21
0
155 people solved
Apr 6, 2026
Uber logo
Uber
Medium
Data ScientistNew Grad Locked

Build cold-start restaurant ratings

This question evaluates a data scientist's ability to design a production-ready predictive modeling approach for cold-start ratings, testing competenc...

Machine LearningML System Design
24
0
192 people solved
Apr 6, 2026
H
Hot Agent Startup
Medium
Software Engineer

Design Flight Booking and Voting Systems

Answer both system design prompts. Part A: Flight Ticket Booking System Design the backend for a flight ticket booking product. The system should supp...

System Design
2
0
37 people solved
Apr 3, 2026
Toma logo
Toma
Easy
Frontend Engineer

Identify the CSS color function

In CSS, which color function accepts red, green, and blue channel values and can also include an optional opacity value?

Software Engineering FundamentalsCSS & Layout
14
1
122 people solved
Apr 2, 2026
Workday logo
Workday
Medium
Software EngineerSenior+ Locked

Design AI-Powered Document Search

This question evaluates system-design and machine-learning engineering skills for building a scalable AI-enabled document ingestion pipeline, covering...

ML System Design
4
1
71 people solved
Apr 1, 2026
Toma logo
Toma
Easy
Frontend Engineer Locked

Which CSS function supports opacity?

This question evaluates a candidate's understanding of CSS color functions and opacity handling, specifically familiarity with color channel values an...

Software Engineering FundamentalsCSS & Layout
9
0
69 people solved
Apr 1, 2026
Uber logo
Uber
Medium
Data ScientistNew Grad Locked

Evaluate marketplace interventions

This question evaluates a data scientist's competency in product analytics, causal inference, and experimentation design for two-sided marketplaces, f...

Analytics & ExperimentationExperiment Design (A/B Testing)Causal Inference
15
0
108 people solved
Mar 22, 2026
Uber logo
Uber
Medium
Software Engineer Locked

Answer Common Behavioral Questions

This question evaluates interpersonal communication, conflict resolution, leadership, self-awareness, and project ownership skills within the Behavior...

Behavioral & LeadershipProject Deep DiveConflict & Collaboration
14
0
93 people solved
Mar 17, 2026
Coinbase logo
Coinbase
Medium
Data Scientist Locked

Design an Identity Trust Experiment

This question evaluates a candidate's abilities in experimental design, causal inference, metric definition, interference mitigation, sample size esti...

Analytics & ExperimentationExperiment Design (A/B Testing)Experiment Analysis & Readout
5
0
82 people solved
Mar 17, 2026
Meta logo
Meta
Medium
Data Scientist Locked

Investigate Falling Brand-Ad Spend

This question evaluates competency in data analysis, anomaly detection, causal inference, and diagnostic reasoning related to advertising performance,...

Analytics & Experimentation
3
0
57 people solved
Mar 12, 2026
Airbnb logo
Airbnb
Hard
Backend EngineerSenior+ Locked

Design a Rental Marketplace Backend

This question evaluates a candidate's ability to design a scalable, low-latency backend for a global vacation-rental marketplace, testing competencies...

System DesignSystem Design FundamentalsSearch & Feed Systems
34
0
374 people solved
Mar 7, 2026
Meta logo
Meta
Medium
Software Engineer

Resolve a cd Path Against the Current Directory

Resolve a cd Path Against the Current Directory Implement path resolution for a simplified Unix-like cd command. cwd is a normalized absolute path. ar...

Coding & Algorithms
1
0
21 people solved
Mar 2, 2026
Meta logo
Meta
Medium
Software Engineer

Merge Three Sorted Arrays Without Duplicates

Merge Three Sorted Arrays Without Duplicates You are given three integer arrays sorted in nondecreasing order. Merge them into one sorted array that c...

Coding & Algorithms
1
0
23 people solved
Mar 2, 2026
Meta logo
Meta
Medium
Data Scientist Locked

How to evaluate new listing notifications?

This question evaluates a data scientist's competency in experimental design, causal inference, metric selection (primary, secondary, guardrail), and ...

Analytics & Experimentation
4
0
39 people solved
Mar 2, 2026
Meta logo
Meta
Easy
Machine Learning EngineerSenior+ Locked

Solve Tree Views, Columns, and Calculator

This multi-part question evaluates skills in binary tree traversal and view extraction, vertical column grouping and ordering of tree nodes, and parsi...

Coding & Algorithms
4
0
41 people solved
Feb 27, 2026
Harvey logo
Harvey
Medium
Software Engineer Locked

Design a Cloud File Storage Service

This question evaluates a candidate's ability to design scalable, secure distributed file storage systems, covering competencies in file and folder hi...

System DesignFile & Media StorageAuthentication & Authorization
11
0
151 people solved
Feb 25, 2026
Apple logo
Apple
Hard
Software EngineerNew Grad Locked

Explain thermal and signal fundamentals

This question evaluates understanding of hardware fundamentals including thermal-resistance modeling, digital signal biasing (pull-up resistor selecti...

Software Engineering Fundamentals
7
0
80 people solved
Feb 25, 2026
Meta logo
Meta
Medium
Software Engineer

Design a post privacy/visibility system

Design a privacy system for social media posts (similar to Facebook post privacy). Requirements: - Each post can be: Public, Friends, Friends-of-frien...

System Design
5
0
53 people solved
Feb 25, 2026
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