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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
11.9k
Companies
570
Updated
10.05.2026
11.9k Questions 570 Companies10.05.2026
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
NewsBreak logo
NewsBreak
Medium
Machine Learning Engineer

Walk through a key project

Walk through a key project Behavioral/Technical Prompt: Most Impactful Project Provide a concise, structured walkthrough of the most impactful project...

Behavioral & Leadership
9
0
78 people solved
Aug 9, 2025
Snapchat logo
Snapchat
Medium
Machine Learning Engineer Locked

Explain BatchNorm, optimizers, and L1/L2

This question evaluates a candidate's understanding of core machine learning fundamentals—Batch Normalization, optimizer behaviors (SGD, Momentum, RMS...

Machine LearningNeural Networks & TrainingML Fundamentals
9
0
111 people solved
Feb 11, 2026
Instacart logo
Instacart
Medium
Software Engineer

Parse password from indexed matrix file

Question Given a filepath to a text file containing one index line [x, y] followed by a matrix of characters (origin at lower-left (0, 0)), return the...

Coding & Algorithms
34
0
107 people solved
Jul 29, 2025
Meta logo
Meta
Medium
Data Scientist

Quality and frequency control for push notifications

Push Notifications: Quality, Overload Mitigation, and Per-user Caps You are a data scientist working on push notifications for a consumer app. Pushes ...

Analytics & Experimentation
56
0
140 people solved
Jul 12, 2025
Amazon logo
Amazon
Easy
Software Engineer Locked

Describe Delivering Under a Tight Deadline

This question evaluates ownership, judgment, prioritization, and the ability to deliver results under time pressure, including how the candidate balan...

Behavioral & LeadershipOwnership & Execution
19
4
297 people solved
May 2, 2026
DoorDash logo
DoorDash
Medium
Software Engineer

Determine equality after limited swaps

Question LeetCode 1790. Check if One String Swap Can Make Strings Equal Follow-up: Given two strings, determine if they can become anagrams of each ot...

Coding & Algorithms
12
0
26 people solved
Jul 29, 2025
Adobe logo
Adobe
Medium
Software Engineer

Describe Your Two-to-Three-Year Growth Direction

Question Where do you want your work to develop over the next two to three years? Explain the capabilities, scope, and kinds of problems you want to g...

Behavioral & Leadership
1
0
12 people solved
Apr 19, 2026
Google logo
Google
Medium
Software Engineer

Describe manager and cross-team communication

Cross-Functional Communication, Expectations, and Risk Management (Behavioral) Context You are interviewing for a Software Engineer role in an onsite ...

Behavioral & Leadership
7
0
55 people solved
Sep 6, 2025
Expedia logo
Expedia
Hard
Software Engineer

How do you learn new knowledge quickly?

Behavioral questions 1. How do you learn new knowledge/technology quickly? Provide a concrete example. 2. What was the most challenging project you wo...

Behavioral & Leadership
5
0
78 people solved
Jan 6, 2026
Instacart logo
Instacart
Hard
Software Engineer

Design an e-commerce category page

Design an e-commerce category page System Design: Category Page with Facets, Sorting, Pagination, SEO, Caching, Personalization, and Real-Time Updates...

System DesignSearch & Feed SystemsSystem Design Fundamentals
5
0
94 people solved
Jul 15, 2025
Labelbox logo
Labelbox
Medium
Data Scientist

Explain Google ADK and Compare with LangChain, AWS Bedrock

Explain Google ADK and Compare with LangChain, AWS Bedrock Scenario You are interviewing for a data scientist role in a technical phone screen. You pr...

Behavioral & Leadership
5
0
73 people solved
Aug 4, 2025
Pinterest logo
Pinterest
Medium
Machine Learning Engineer Locked

Describe a Failure or Mistake and Its Lasting Lesson

Tell a credible story about a meaningful professional failure or mistake and the lasting lesson it produced. Cover personal responsibility, impact, co...

Behavioral & Leadership
5
0
66 people solved
Jul 2, 2026
OneMain Financial logo
OneMain Financial
Medium
Data Scientist

Differentiate and control Type I/II errors

A/B Test Powering and Error Control (Two-Proportion Z-Test) Context: You are planning a two-arm A/B test on sign-up conversion. The current baseline c...

Statistics & Math
8
0
66 people solved
Oct 13, 2025
TikTok logo
TikTok
Medium
Software Engineer

Count deletions making array fair

Question LeetCode 1664. Ways to Make a Fair Array – Given an integer array nums, count the indices whose removal results in the sum of elements at eve...

Coding & Algorithms
6
0
38 people solved
Jul 29, 2025
Amazon logo
Amazon
Medium
Software Engineer

Design pickup point planning for ride-hailing

Design an algorithm and high-level system for recommending a pickup point in a ride-hailing app. A passenger requests a ride from an approximate city ...

System Design
11
0
88 people solved
May 28, 2025
Meta logo
Meta
Hard
Software Engineer

Design a product notifications system

System Design: Push Notifications and In‑App Messaging Platform Context Design a notifications platform for a large consumer mobile app with millions ...

System Design
3
0
57 people solved
Aug 14, 2025
Amazon logo
Amazon
Hard
Software EngineerSenior+ Locked

Resolve a Technical Disagreement with a Teammate

Prepare a behavioral interview story about a meaningful technical disagreement with a teammate. Present both positions fairly, explain the decision cr...

Behavioral & LeadershipConflict & CollaborationAmbiguity & Decision Making
4
0
79 people solved
Jul 5, 2026
Optiver logo
Optiver
Medium
Data Scientist

Expected Wait for a Bus That Runs Late Half the Time

Buses on a certain route are scheduled to arrive at your stop every $x$ minutes. Independently for each bus, the bus arrives exactly on schedule with ...

Machine Learning
4
0
44 people solved
Mar 21, 2025
Meta logo
Meta
Medium
Data Scientist

Ensure Effective Teamwork Amid Conflicting Stakeholder Opinions

Ensure Effective Teamwork Amid Conflicting Stakeholder Opinions Behavioral: Cross-Functional Collaboration, Miscommunication, and Conflict Handling Co...

Behavioral & Leadership
7
0
63 people solved
Aug 4, 2025
Uber logo
Uber
Medium
Software Engineer

Count paths with prime-ending jumps

You are given an integer n representing the top of a staircase, where you start at step 0 and want to land exactly on step n. In one move, you may jum...

Coding & Algorithms
3
0
46 people solved
Jan 15, 2026
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