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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
12.2k
Companies
569
Updated
10.14.2026
12.2k Questions 569 Companies10.14.2026
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
Airbnb logo
Airbnb
Medium
Software Engineer

Solve and optimize menu combo DP

Given up to N different menu items, each with a unit price, and a list of combo offers where each offer specifies quantities for some items and a tota...

Coding & Algorithms
15
0
86 people solved
Sep 6, 2025
Google logo
Google
Easy
Software Engineer

Compute max coins with 3-step token moves

You are given a one-dimensional board with n positions represented by a string s of length n: - . = empty cell - T = token - C = coin You may move tok...

Coding & AlgorithmsGreedy
31
0
217 people solved
Oct 16, 2025
Capital One logo
Capital One
Hard
Data Scientist

Diagnose and fix a flight-delay modeling setup

Flight Delay Modeling: Binary Target, Features, and Diagnostics You are modeling the probability that a flight arrives with a delay greater than 15 mi...

Statistics & MathRegression & Statistical ModelingData Cleaning & Wrangling
16
0
138 people solved
Oct 13, 2025
Snowflake logo
Snowflake
Hard
Software Engineer

Compute Inherited Role Privileges

You are given n roles. The array initialPrivileges has length n, where initialPrivileges[i] is the list of privileges directly assigned to role i. You...

Coding & Algorithms
13
0
95 people solved
Apr 5, 2026
Google logo
Google
Medium
Software EngineerSenior+

Answer Staff-level leadership scenarios using STAR

Behavioral prompts (Staff/L6) Provide structured answers (e.g., STAR) for scenarios like: 1. Most important technical decision you drove: how you deci...

Behavioral & LeadershipLeadership & InfluenceCommunication & Stakeholders
9
0
104 people solved
Jan 12, 2026
OpenAI logo
OpenAI
Hard
Software Engineer Locked

Design reliable high-volume chatbot system

This question evaluates a candidate's ability to design scalable, highly available, and fault-tolerant backend architectures for stateful chatbot serv...

System DesignFault Tolerance & FailoverSystem Design Fundamentals
32
2
238 people solved
Dec 6, 2025
Cresta logo
Cresta
Medium
Software Engineer

Design sequence decoding with greedy and beam search

Design sequence decoding with greedy and beam search Next-Token Decoding: Greedy and Beam Search Context You are given a probabilistic next-token dict...

Machine LearningGreedyHeaps & Priority Queues
102
0
860 people solved
Aug 8, 2025
Amperity logo
Amperity
Medium
Software Engineer

Resolve a Difficult Project Challenge

Resolve a Difficult Project Challenge Describe a difficult project challenge or conflict, how you diagnosed what was blocking progress, the action you...

Behavioral & Leadership
1
0
19 people solved
Aug 19, 2026
Airbnb logo
Airbnb
Hard
Software EngineerSenior+

Answer cross-team delivery and values questions

You are in a behavioral/values interview. Prepare structured answers (use STAR or similar) for prompts like: 1) Cross-team delivery issue - Describe a...

Behavioral & LeadershipOwnership & ExecutionCommunication & Stakeholders
15
0
206 people solved
Dec 20, 2025
Rippling logo
Rippling
Hard
Software Engineer Locked

Design a Hotel Booking System

This question evaluates system design and backend architecture competencies, including data modeling, transactional integrity, concurrency control, sc...

System DesignSystem Design FundamentalsTransactions & Isolation
43
0
410 people solved
Feb 1, 2026
Morgan Stanley logo
Morgan Stanley
Medium
Data Scientist Locked

Explain Your Risk Analytics Work to a Recruiter

Practice a recruiter-ready explanation of risk analytics work that starts with the decision, translates methods into plain language, and makes individ...

Behavioral & Leadership
1
0
20 people solved
Jul 10, 2026
Electronic Arts logo
Electronic Arts
Hard
Software Engineer

Merge Accounts by Shared Email

Merge Accounts by Shared Email Each account record begins with a person's name followed by one or more email addresses. Two records belong to the same...

Coding & Algorithms
2
0
28 people solved
Apr 30, 2026
Affirm logo
Affirm
Medium
Software Engineer Locked

Describe a Mentoring Experience and Its Outcome

Describe a sustained mentoring relationship that helped another engineer become more independent. Explain how you diagnosed their needs, adapted an in...

Behavioral & Leadership
6
0
54 people solved
Jul 6, 2026
Netflix logo
Netflix
Medium
Software Engineer

Implement TTL Cache and Tree Balance Reporting

Complete both coding tasks. Task A: Time-limited cache Design and implement an in-memory cache where every key expires after a time-to-live duration. ...

Coding & Algorithms
7
0
55 people solved
Apr 17, 2026
Intuit logo
Intuit
Easy
Software Engineer

When should products use AI?

A product-oriented interview asks you to discuss AI adoption in software products. Explain how you would decide whether a feature should use AI or a t...

Machine LearningAI Product Management
18
0
140 people solved
Apr 2, 2026
Airbnb logo
Airbnb
Medium
Software Engineer

Allocate refund across payments

Question Given a list of completed payment transactions (each with payment method, date, and amount) and a refund amount R, write an algorithm that is...

Coding & Algorithms
82
0
320 people solved
Jul 29, 2025
Okta logo
Okta
Medium
Software EngineerSenior+ Locked

Design a Metrics Storage Platform

This question evaluates system-design and distributed-systems skills for time-series metrics storage, focusing on data modeling for counters, gauges, ...

System Design
14
0
106 people solved
Mar 30, 2026
Uber logo
Uber
Medium
Software Engineer

Simulate fixed-shape tiling on a grid

You are given an empty n-by-m grid and a list of tile patterns, patterns[0..k-1]. Each pattern is a binary matrix (1 = filled cell, 0 = hole) and must...

Coding & AlgorithmsSimulation & State MachinesGrids & Matrices
12
0
125 people solved
Sep 6, 2025
DoorDash logo
DoorDash
Easy
Software Engineer

Implement a consistent hashing ring

Implement a class ConsistentHashRing that distributes keys across servers using a hash ring with virtual nodes. Required API: - ConsistentHashRing(rep...

Coding & AlgorithmsPartitioning & Consistent HashingBinary Search
20
0
203 people solved
Jan 28, 2026
Meta logo
Meta
Medium
Software EngineerSenior+

Discuss a Disagreement with a Teammate

Describe a disagreement with a teammate about work you were responsible for. Explain the competing views, how you approached the disagreement, and how...

Behavioral & LeadershipConflict & CollaborationAmbiguity & Decision Making
1
0
19 people solved
Aug 25, 2026
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