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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
eBay logo
eBay
Medium
Software Engineer Locked

Describe Your Most Technically Difficult Project

Present your most technically difficult project through its decisive constraint, competing approaches, individual ownership, validation and rollout ev...

Behavioral & Leadership
3
0
27 people solved
Aug 26, 2026
Rubrik logo
Rubrik
Hard
Software Engineer

Validate BFS order queries on a tree

You are given an undirected tree described by two equal-length arrays u and v (each of length n-1). For every index i, there is an undirected edge bet...

Coding & AlgorithmsTrees
24
0
200 people solved
Feb 12, 2026
Anthropic logo
Anthropic
Medium
Software EngineerSenior+

AI Safety Culture Round: Risk Views, Personal Ethics, and Changing Your Mind

You are in the final-round culture interview for a senior software engineering role at a company that builds AI systems. The round lasts about an hour...

Behavioral & LeadershipEthics & Responsibility
2
0
26 people solved
Mar 28, 2026
Pinterest logo
Pinterest
Hard
Data ScientistSenior+ Locked

Connect Probability, Experiment Sizing, and Bootstrap Inference

A statistics interview spanning discrete probability, p-value interpretation, experiment sizing, bootstrap confidence intervals, and communicating res...

Statistics & Math
22
0
138 people solved
Jun 2, 2026
Google logo
Google
Hard
Software Engineer

Maximum Minimum Manhattan Distance on a Square Boundary

Problem A square has corners (0,0), (0,side), (side,0), and (side,side). You are given distinct integer-coordinate points on its boundary and an integ...

Coding & AlgorithmsMath & Number TheoryBinary Search
1
0
20 people solved
Goldman Sachs logo
Goldman Sachs
Medium
Software Engineer

Implement an Integer Hash Map

Design a data structure MyHashMap that stores integer keys and integer values without using any built-in hash table library. Implement the following o...

Coding & AlgorithmsData Structure Design
21
0
240 people solved
Feb 25, 2026
DoorDash logo
DoorDash
Medium
Data Analyst

Metrics and Stakeholder Dashboards for a Store-Page Most-Ordered Items Feature

You are interviewing for a data analyst role on the team responsible for stores at a food-delivery marketplace. In a case interview you are given one ...

Analytics & ExperimentationMetrics & KPIsBI & Reporting Systems
0
0
7 people solved
Sep 12, 2026
Microsoft logo
Microsoft
Hard
Software Engineer

Top k most frequent values with a deterministic tie order

Given a list of integers and a number k, return the k values that occur most often in the list. The report names this problem without further detail; ...

Coding & AlgorithmsHeaps & Priority QueuesSorting
0
0
11 people solved
Aug 5, 2026
Glean logo
Glean
Medium
Machine Learning Engineer AI

Implement Rate-Limited Wikipedia Crawler

Implement a rate-limited Wikipedia crawler. You may use an AI coding assistant during the interview, such as Cursor or Claude Code. You are expected t...

Coding & AlgorithmsGraphsRate Limiting
9
0
107 people solved
Apr 23, 2026
Google logo
Google
Medium
Software EngineerNew Grad

Find the Longest Momentum-Aware Water Path

Find the Longest Momentum-Aware Water Path Given an m × n integer height grid, find the maximum number of cells in a valid path. A path may start at a...

Coding & AlgorithmsBacktracking & RecursionGrids & Matrices
9
1
151 people solved
Apr 26, 2026
Amazon logo
AmazonGoogle
Hard
Software Engineer

Balance Dresses Across Adjacent Washing Machines

Problem Machines stand in a line with initial dress counts machines. In one move, any chosen machines may each send one dress to one adjacent machine ...

Coding & AlgorithmsGreedyMath & Number Theory
0
0
6 people solved
Amazon logo
AmazonBloombergGoogle

Also asked at Google, Meta, Netflix

Medium
Software Engineer

Enumerate Directed Paths between the End Labels

Problem Given a directed acyclic adjacency-list graph on labels 0 through n-1, return every path beginning at 0 and ending at n-1. Return the paths in...

Coding & AlgorithmsBacktracking & RecursionGraphs
1
0
14 people solved
Amazon logo
Amazon
Medium
Software EngineerIntern

Implement Cache and Rotate Matrix

Solve the following two independent coding tasks. Task 1: Implement an LRU Cache Design a data structure LRUCache that stores integer keys and integer...

Coding & Algorithms
5
0
96 people solved
Apr 20, 2026
Meta logo
Meta
Medium
Site Reliability EngineerSenior+

Troubleshoot a production server outage

You are the on-call engineer responsible for a production server for the next several days. Discuss how you would approach the following: - How would ...

Software Engineering FundamentalsReliability & SRE
44
0
374 people solved
Apr 12, 2026
Microsoft logo
Microsoft
Medium
Site Reliability EngineerSenior+

When to automate operations work, and good-enough versus excellent automation

In a senior reliability engineering loop, the interviewer asks how you think about automating the operation of a system so that engineers win back tim...

Software Engineering FundamentalsReliability & SRE
2
0
20 people solved
Jul 30, 2026
Anthropic logo
Anthropic
Hard
Software Engineer

Design a batch inference API

Design an Asynchronous (POST-and-Poll) Inference Service API Design an asynchronous inference service for serving model predictions. A client submits ...

ML System DesignSystem Design FundamentalsAPI Design
91
0
1376 people solved
Sep 6, 2025
Wayfair logo
Wayfair
Medium
Applied Scientist Locked

Evaluate Post-Purchase Recommendation Emails

Evaluate post-purchase recommendation emails through incremental profit, useful timing, customer eligibility, randomized holdouts, and unsubscribe or ...

Product / Decision MakingBusiness Case AnalysisExperiment Design (A/B Testing)
1
0
22 people solved
Sep 10, 2026
Maven Securities logo
Maven Securities
Hard
Quantitative TraderNew Grad

Solve Graduate Trader Probability Questions

A graduate trader online assessment reportedly included the following quantitative reasoning, probability, and logic questions. Solve each problem. 1....

Software Engineering FundamentalsProbabilityPuzzles & Brainteasers
14
0
274 people solved
Jan 22, 2026
NVIDIA logo
NVIDIA
Easy
Software Engineer Locked

Compute the Final Robot Score

This question evaluates data structure and algorithm proficiency, focusing on managing dynamic multisets with priority-based selection and reasoning a...

Coding & AlgorithmsHeaps & Priority Queues
17
0
135 people solved
May 19, 2026
Hudson River Trading logo
Hudson River Trading
Medium
Site Reliability Engineer Locked

Explain Why du and df Report Different Disk Usage

Explain why Linux du and df can report very different disk usage, then outline a safe investigation that distinguishes deleted open files, mount issue...

Software Engineering Fundamentals
6
0
90 people solved
Aug 16, 2026
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