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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
DoorDash logo
DoorDash
Medium
Product Manager

Airbnb Prioritization: Guests Locked Out at Check-In Versus Dirty Listings

You are a product manager at Airbnb, and two guest problems need fixing. Some guests are unable to check in to the place they booked, and some guests ...

Product / Decision MakingPrioritization & Tradeoffs
0
0
5 people solved
Mar 3, 2026
TikTok logo
TikTok
Medium
Software Engineer

Solve intervals and distinct islands

Question LeetCode 56. Merge Intervals LeetCode 694. Number of Distinct Islands https://leetcode.com/problems/merge-intervals/description/ https://leet...

Coding & Algorithms
13
0
70 people solved
Jul 29, 2025
Rippling logo
Rippling
Medium
Software Engineer Locked

Design centralized log ingestion and query system

This question evaluates a candidate's ability to design scalable, reliable log ingestion and query systems, covering distributed systems, high-through...

System DesignObservabilityStorage & Sharding
68
0
521 people solved
Jan 22, 2026
ByteDance logo
ByteDance
Medium
Software Engineer Locked

Solve Sliding Window and Grid Search

This question evaluates proficiency in string algorithms and constrained shortest-path/search problems, covering sliding-window techniques for bounded...

Coding & Algorithms
8
0
70 people solved
Apr 6, 2026
Roblox logo
Roblox
Medium
Data Scientist

Implement Python Function for Statistical Test P-Values

Scenario You need a utility that calculates p-values for one-sided and two-sided statistical tests. Question Write a Python function compute_p_value(s...

Coding & Algorithms
16
0
85 people solved
Jul 12, 2025
Disney logo
Disney
Hard
Software Engineer

Design a personalized recommendation system

System Design: Personalized Recommendations for a Consumer App Context Assume you are building the home-feed recommendations for a large consumer app ...

ML System DesignSystem Design FundamentalsRecommendation Systems
8
0
136 people solved
Sep 6, 2025
LinkedIn logo
LinkedIn
Medium
Product Manager

LinkedIn Monetization: Pitch One New Product Feature and Its Business Case

You are a product manager at LinkedIn. Which new feature would you add to the product to increase LinkedIn's revenue? Pick one, explain who it serves ...

Product Design & StrategyGrowth & MonetizationMetrics & KPIs
1
0
13 people solved
Dec 22, 2024
Amazon logo
Amazon
Medium
Data Scientist

Analyze Top 10 Items' Revenue Contribution by Category

sales +----------+------------+---------+---------+------------+ | order_id | category | item_id | revenue | order_date | +----------+------------+-...

Data Manipulation (SQL/Python)
69
0
255 people solved
Aug 4, 2025
Swiggy logo
Swiggy
Medium
Product Manager

Ranking Competing Work for the Team Behind Spotify's Music Recommendations

You are a product manager on the team that builds Spotify's recommendation engine: the models and ranking systems that decide which songs, playlists, ...

Product / Decision MakingPrioritization & TradeoffsRoadmapping & Planning
0
0
11 people solved
Nov 7, 2025
Applied Intuition logo
Applied Intuition
Hard
Software Engineer

Walk through a recent project design

System Design: End-to-End Project Walkthrough Provide a structured walkthrough of a recent project you led end-to-end. Organize your answer using the ...

System DesignProject Deep DiveSystem Design Fundamentals
29
0
208 people solved
Sep 6, 2025
Google logo
Google
Hard
Software Engineer

Handle two teams duplicating work

If you discover that two different teams are independently working on the same project or solving the same problem, how would you handle the situation...

Behavioral & LeadershipConflict & Collaboration
11
0
210 people solved
Mar 6, 2026
UiPath logo
UiPath
Easy
Machine Learning Engineer Locked

Analyze Complexity and Probability Basics

This question evaluates understanding of data structures and algorithmic time complexity for hash map operations, the computational complexity of dens...

Software Engineering Fundamentals
3
0
58 people solved
Jan 10, 2026
Plaid logo
Plaid
Medium
Product Manager

Product Execution Walkthrough: Your Process From Concept to Release

Walk the interviewer through how you get a product from an early idea to its release. You may describe a product you have shipped or explain how you w...

Product / Decision MakingRequirements & Launch ExecutionUser Research & Discovery
2
0
19 people solved
Feb 15, 2024
Tesla logo
Tesla
Medium
Software Engineer

Find latency pairs with minimal difference

Given an array of integers representing network latencies, return all increasing pairs [a, b] such that b − a equals the minimal absolute difference b...

Coding & Algorithms
9
0
95 people solved
Jul 26, 2025
Citadel logo
Citadel
Hard
Data Scientist

Design regression and classification ML pipelines

Take‑Home: Two End‑to‑End ML Workflows on Tabular Data Objective Design and implement two complete machine learning workflows on tabular data (typical...

Machine LearningSupervised LearningFeature Engineering
17
0
122 people solved
Sep 6, 2025
UiPath logo
UiPath
Medium
Software Engineer

Compute longest distinct substring, case-insensitive

Given a string s, return the length of the longest contiguous substring that contains no repeated characters, treating letters case-insensitively (e.g...

Coding & Algorithms
10
0
81 people solved
Sep 6, 2025
CVS Health logo
CVS Health
Medium
Data Scientist

Write SQL for dedup and purchase shares

You are given two tables with intentional duplicates. Write SQL to: (a) identify duplicate user_ids and produce a canonical, deduplicated users set; (...

Data Manipulation (SQL/Python)
6
0
44 people solved
Oct 13, 2025
TikTok logo
TikTok
Easy
Data Scientist

Highlight Background and Impactful Projects in Self-Introduction

Highlight Background and Impactful Projects in Self-Introduction Behavioral Prompt: Self-Introduction (Technical Phone Screen) Context You are at the ...

Behavioral & Leadership
9
0
117 people solved
Aug 4, 2025
Google logo
Google
Medium
Product Manager

Gmail product improvement: redesign the experience of unsent email drafts

You are a product manager on Gmail. When someone starts writing an email and does not send it, Gmail keeps it as a draft they can come back to later. ...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
11 people solved
Nov 10, 2025
Meta logo
Meta
Medium
Data Scientist

Implement randomized Quickselect without k-shift bug

Implement randomized Quickselect to return the k-th largest element (1-based k, 1 ≤ k ≤ n) from an unsorted integer array. Use an in-place partition t...

Coding & Algorithms
8
0
91 people solved
Oct 13, 2025
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