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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.

Two weeks of coding, then system design, then mock rounds. Start day 1?

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
TikTok logo
TikTok
Hard
Data Scientist

Investigate visit–report correlation causality

Causal Diagnosis: Do More Ad Page Visits Cause More Reports? Context You observe a positive correlation between the number of ad page visits and the p...

Analytics & Experimentation
3
0
54 people solved
Oct 13, 2025
Meta logo
Meta
Hard
Data Scientist Locked

Control error under multiple testing

This question evaluates a candidate's understanding of multiple hypothesis testing, sequential monitoring, and error-rate control—specifically familyw...

Statistics & Math
2
0
38 people solved
Oct 13, 2025
NVIDIA logo
NVIDIA
Medium
Software Engineer

Decide on competitive comparison policy

Comparative Benchmarking Blog Post: Go/No-Go and Ethical Positioning You are a software engineer asked whether the company should publish a blog post ...

Behavioral & Leadership
5
0
38 people solved
Sep 6, 2025
DoorDash logo
DoorDash
Medium
Software Engineer

Describe challenges and give constructive feedback

Describe challenges and give constructive feedback Behavioral & Leadership: Multi‑part Prompt for a Software Engineer Context: In a technical screen f...

Behavioral & Leadership
6
0
60 people solved
Aug 7, 2025
Meta logo
Meta
Medium
Data Scientist

Design Metrics to Track and Analyze Spam Impact

Design Metrics to Track and Analyze Spam Impact Scenario A messaging product team wants to reduce spam without harming normal user experience. You do ...

Analytics & Experimentation
8
0
64 people solved
Aug 4, 2025
Capital One logo
Capital One
Medium
Software EngineerIntern

Predict Tip Percentage

Predict Tip Percentage Create a derived target for tip as a percentage of total fare, then design and evaluate a predictive model for that target usin...

Machine Learning
3
0
27 people solved
Sep 27, 2020
PayPal logo
PayPal
Medium
Software Engineer

Compare final, finally, finalize

Compare final, finally, finalize Compare Java's final keyword, the finally block, and the finalize() method. For each, explain purpose, typical use ca...

Coding & Algorithms
6
0
74 people solved
Aug 7, 2025
Atlassian logo
Atlassian
Medium
Data Scientist

Expand Internationally: Data and Strategy for Market Entry

Expand Internationally: Data and Strategy for Market Entry Behavioral + Product Sense (Onsite) Context You are interviewing for a Data Scientist role ...

Behavioral & Leadership
96
0
185 people solved
Aug 4, 2025
Meta logo
Meta
Hard
Software Engineer

Design user top-10 songs service

Design user top-10 songs service Design a Service to Compute Each User's Top 10 Songs Context You are designing a backend service for a large-scale mu...

System Design
2
0
40 people solved
Aug 7, 2025
Capital One logo
Capital One
Medium
Data Scientist

Why Retain Phone Channel Despite Lower Profitability?

Why Retain Phone Channel Despite Lower Profitability? Scenario A consumer-facing, regulated company is evaluating whether to continue offering a live ...

Behavioral & Leadership
14
0
45 people solved
Aug 4, 2025
Adobe logo
Adobe
Medium
Data Scientist

Investigate Why DAU Stagnates Despite High Downloads

Investigate Why DAU Stagnates Despite High Downloads Investigating High Daily Downloads but Flat DAU Scenario Adobe Express reports approximately 1M d...

Analytics & Experimentation
8
0
79 people solved
Aug 4, 2025
Meta logo
Meta
Medium
Machine Learning Engineer Locked

Design a newsfeed dislike model

This question evaluates a candidate's ability to design and operationalize a machine learning model that predicts the probability of a user disliking ...

ML System Design
9
0
73 people solved
Sep 4, 2025
Meta logo
Meta
Hard
Data Scientist Locked

Design an A/B test for non-friend posts

Design an A/B test for non-friend posts evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommen...

Analytics & Experimentation
2
0
32 people solved
Jul 28, 2025
Apple logo
Apple
Medium
Software Engineer

Implement DFS for connected components

Given an undirected graph with n nodes (1 ≤ n ≤ 200, 000) and an edge list, implement depth-first search to compute (a) the number of connected compon...

Coding & AlgorithmsGraphs
11
0
74 people solved
Sep 6, 2025
Current logo
Current
Hard
Software Engineer

Design a metrics monitoring system

Design a metrics monitoring system System Design: Metrics Monitoring Platform Context Design a cloud‑native, multi‑tenant metrics monitoring system fo...

System DesignObservability
22
0
150 people solved
Jul 31, 2025
Paramount Commerce logo
Paramount Commerce
Medium
Software Engineer

Explain motivations and company fit

Behavioral Interview: Motivation, Team Adaptation, and Ambiguity Context: Technical Screen for a Software Engineer (Behavioral & Leadership). Answer t...

Behavioral & Leadership
1
0
29 people solved
Sep 6, 2025
Meta logo
Meta
Medium
Data Scientist

Compute time-spent percentage by app category

You work on Oculus app engagement analytics. Tables user_activity - user_id (BIGINT) - date (DATE) — day of activity (assume UTC) - app_id (INT) - ses...

Data Manipulation (SQL/Python)SQL
7
0
55 people solved
Aug 17, 2025
Etsy logo
Etsy
Medium
Data Scientist

Measure and Improve Listing Quality with Key Metrics

Measure and Improve Listing Quality with Key Metrics Evaluating and Improving Listing Quality in an Online Marketplace Scenario You are a product/anal...

Analytics & Experimentation
60
0
154 people solved
Aug 4, 2025
AMD logo
AMD
Easy
Software Engineer

PCIe deep dive: TS1/TS2, LTSSM link training, TLP types and transaction ordering rules

You are interviewing for a PCI Express (PCIe) verification role, and the interviewer goes deep on the protocol: from link training at the physical lay...

Software Engineering Fundamentals
0
0
4 people solved
Apr 30, 2024
Nexon logo
Nexon
Medium
Product Manager

Handle Partner Pushback

In a game Product Manager interview, how would you handle pushback from cross-functional partners such as game designers, engineers, analytics, publis...

Behavioral & Leadership
4
0
46 people solved
Jan 5, 2025
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