PracHub
QuestionsExperienceLearningGuidesInterview Prep
Visa Tools

Visa Tools

Visa Sponsors

Find employers with sponsorship filings

H-1B Odds Calculator

Explore your lottery selection odds

Visa Bulletin

Monthly green-card priority dates

PracHub

Master your tech interviews with 18,000+ real questions from top companies.

Product

  • Questions
  • Learning Tracks
  • Interview Guides
  • Resources
  • Green Card Tracker
  • Premium
  • Practice with AI agents
  • For Universities
  • Careers

Browse

  • By Company
  • By Role
  • By Category
  • Topic Hubs
  • Interview Experiences
  • SQL Questions
  • Blind 75
  • AI Coding Questions
  • Compare Platforms
  • Discord Community

Support

  • support@prachub.com

Legal

  • Privacy Policy
  • Terms of Service
  • About Us

© 2026 PracHub. All rights reserved.

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
Google logo
GoogleBloombergMetaAmazon

Also asked at Meta, Amazon

Easy
Software Engineer

Add an Integer to a Number Represented as Decimal Digits

Problem The array num stores a nonnegative integer's decimal digits from most significant to least significant. Return the decimal digit array for tha...

Coding & AlgorithmsMath & Number TheoryArrays & Strings
0
0
10 people solved
Amazon logo
Amazon
Medium
Product Manager

Behavioral: An AI Initiative You Drove and the Change It Produced

Give an example of how you have applied AI to drive innovation or change, whether inside your organization or for customers. `hint Start from the prob...

Behavioral & LeadershipInnovation & SimplificationAI Product Management
0
0
6 people solved
Jul 21, 2026
Amazon logo
Amazon
Medium
Product Manager

Resolving Conflicting Stakeholder Views on a Product Decision

When stakeholders hold conflicting opinions about a product decision, what is your go-to approach for working through it? Walk through the steps and b...

Behavioral & LeadershipConflict & CollaborationCommunication & Stakeholders
1
0
9 people solved
Jul 18, 2026
Moody's logo
Moody's
Medium
Software Engineer Locked

Find the Longest Subarray with at Most Two Distinct Values

Find the length of the longest contiguous subarray containing no more than two distinct integer values. A correct solution maintains sliding-window in...

Coding & Algorithms
5
0
38 people solved
Jul 25, 2026
Cresta logo
Cresta
Medium
Machine Learning Engineer

Implement greedy and beam decoding

Implement Greedy and Beam Search Decoders over Next-Token Probabilities Context You are given a directed token graph represented as a Python dictionar...

Machine LearningLLM Applications
90
0
745 people solved
Sep 6, 2025
Atlassian logo
Atlassian
Hard
Machine Learning Engineer Locked

Compute a moving average on a stream

This question evaluates understanding of streaming data structures, sliding-window aggregation, and the time/space trade-offs involved in maintaining ...

Coding & Algorithms
13
0
110 people solved
Mar 1, 2026
Upstart logo
Upstart
Easy
Software Engineer Locked

Compute a Point Set's Bounding Rectangle

Compute the smallest axis-aligned bounding rectangle for a nonempty set of two-dimensional integer points. Track minimum and maximum coordinates in on...

Coding & Algorithms
4
0
54 people solved
Jul 5, 2026
Verkada logo
Verkada
Medium
Software Engineer

Implement LRU and LFU caches

Implement two in-memory cache classes with fixed capacity: 1. Recent-use cache - get(key): return the value for key, or -1 if the key does not exis...

Coding & AlgorithmsData Structure Design
8
0
161 people solved
Jan 23, 2026
Arm logo
Arm
Medium
Backend EngineerIntern

Describe leadership, AI perspective, and challenges

In a prerecorded video interview for an implementation-related engineering intern role, you may be asked several behavioral questions: 1. Describe a t...

Behavioral & Leadership
15
0
107 people solved
Mar 13, 2026
Waymo logo
Waymo
Medium
Machine Learning Engineer

Explain Model Compression Techniques

Explain quantization-aware training, knowledge distillation, evaluation mode in deep learning frameworks, and contrastive learning. For each topic, de...

Machine LearningNeural Networks & Training
9
0
152 people solved
Nov 27, 2025
Amazon logo
Amazon
Medium
Software Engineer Locked

Design a Platform for Training and Serving ML Models

Design an internal ML platform that lets data scientists train models, register reproducible versions, and deploy them for both online and batch infer...

ML System Design
7
0
80 people solved
Aug 2, 2026
Airbnb logo
Airbnb
Medium
Product Manager

Airbnb Guest Booking Funnel: Choosing a Primary Metric and Guardrails

You are the product manager responsible for the experience travelers go through to find and book a place to stay on Airbnb. Define the metrics you wou...

Analytics & ExperimentationMetrics & KPIsUser Behavior & Funnels
1
0
19 people solved
Jan 29, 2026
Amazon logo
AmazonBloombergYandex

Also asked at Yandex, Google, Meta, Microsoft, TCS, VK

Medium
Software Engineer

Longest Run of Ones After One Required Deletion

Problem Delete exactly one element of the binary array nums. Return the longest all-one contiguous subarray length in the resulting array,or 0 if ther...

Coding & AlgorithmsTwo Pointers & Sliding WindowArrays & Strings
0
0
8 people solved
Meta logo
Meta
Medium
Software Engineer

Design a Ranked Home News Feed for a Large Social Network

Design the home news feed for a large social network. When users open the app, they see a ranked, infinitely scrollable list of recent posts from the ...

System DesignSearch & Feed SystemsCaching
3
0
30 people solved
Sep 14, 2026
Microsoft logo
Microsoft
Medium
Product Manager

Helping SOC Analysts Handle Fewer, Higher-Value Security Alerts at Microsoft

How would you reduce alert fatigue for the security analysts who work in Microsoft's OneSOC? Alert fatigue here means analysts receive more alerts tha...

Product Design & StrategyProduct Design & ImprovementAI Product Management
0
0
12 people solved
Jun 10, 2026
Walmart Labs logo
Walmart Labs
Hard
Software Engineer Locked

Implement a Range Module with Add, Query, and Remove

Implement a range tracker that adds, removes, and queries half-open integer intervals while preserving coverage across overlaps and adjacent endpoints...

Coding & Algorithms
7
0
73 people solved
Jul 16, 2026
Google logo
Google
Hard
Software Engineer Locked

Design a pub-sub replay system

This question evaluates a candidate's skills in distributed systems and streaming architectures, including pub-sub replay semantics, message ordering,...

System DesignMessaging & Event-Driven
28
0
525 people solved
Mar 6, 2026
Palantir logo
Palantir
Medium
Software Engineer

Reflect on experiences and teamwork

Reflect on experiences and teamwork Behavioral and Leadership Prompts (Software Engineer – Technical Screen) Context You will be asked to share concis...

Behavioral & LeadershipConflict & CollaborationAmbiguity & Decision Making
30
0
292 people solved
Jul 26, 2025
Google logo
GoogleYandexAmazon

Also asked at Amazon, Meta, Microsoft, Bloomberg

Medium
Software Engineer

Count Values Shared by Both Prefixes at Each Position

Problem A and B are permutations of the integers 1 through n. Return an array C where C[i] counts values appearing somewhere in both prefixes A[0..i] ...

Coding & AlgorithmsArrays & StringsBit Manipulation
0
0
9 people solved
Nuro logo
Nuro
Medium
Software Engineer Locked

Design a Reliable Job Scheduler

Design a reliable job scheduler for delayed execution, status inspection, cancellation, timeouts, and retries across fallible workers. Clarify schedul...

System DesignJob Scheduling & WorkflowsDistributed Transactions & Idempotency
9
0
187 people solved
Jul 24, 2026
Previous1...274275276...929Next
Popular Categories
SQLBlind 75
Daily Quest

Sign in to earn XP for every problem you solve.

Choose your next challenge

All learning

Blind 75

75 free coding problems to build your foundations, with hints, explanations, and a progress checklist.

Arrays · Graphs · Dynamic programming

Explore Blind 75

ML System Design

Work through the decisions behind machine learning systems, from data to serving.

Data · Models · Evaluation

Explore the course

System Design Interview

Practice reasoning about architecture, scale, and the tradeoffs that shape a system.

Architecture · Scale · Tradeoffs

Explore the course

Explore by company

All companies
  • Meta
  • Google
  • Amazon
  • Apple
  • Microsoft
  • Netflix
  • Capital One
  • TikTok
  • DoorDash
  • Uber
  • Coinbase
  • Airbnb
  • LinkedIn
  • Salesforce
  • Snapchat
  • Spotify
  • PayPal
  • Lyft
  • Pinterest
  • Anthropic
  • OpenAI
  • Databricks
  • Rippling
  • Jane Street

Explore by role

  • Data Scientist
  • Software Engineer
  • Machine Learning Engineer
  • Product Manager
  • Data Engineer
  • Data Analyst
  • Frontend Engineer
  • Backend Engineer
  • Site Reliability Engineer
  • Technical Program Manager

Explore by category

  • Blind 75
  • Coding & Algorithms
  • System Design
  • Machine Learning
  • ML System Design
  • SQL & Python
  • Analytics & Experimentation
  • Behavioral & Leadership
  • Statistics & Math
  • Product / Decision Making
  • Product Design & Strategy
  • SWE Fundamentals

Popular interview guides

  • Meta SWE
  • Meta DS
  • Meta PM
  • Google SWE
  • Google DS
  • Google MLE
  • Amazon SWE
  • Amazon DS
  • Amazon DE
  • Apple SWE
  • Apple MLE
  • Microsoft SWE
  • Microsoft DS
  • TikTok SWE
  • TikTok DS
  • Uber SWE
  • Uber DS
  • DoorDash SWE
  • DoorDash DS
  • Airbnb SWE
  • Airbnb DS
  • LinkedIn SWE
  • LinkedIn DS
  • Netflix SWE
  • Coinbase SWE
  • Capital One DS
  • OpenAI SWE
  • Anthropic SWE

Popular question categories

  • Blind 75
  • Meta Coding
  • Google System Design
  • Amazon Coding
  • Meta Analytics
  • Google ML
  • Amazon System Design
  • Capital One SQL
  • TikTok ML
  • Meta SQL
  • Uber Analytics
  • DoorDash Coding
  • Google Coding
  • Netflix System Design
  • Airbnb Analytics
  • LinkedIn SQL