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 10,000+ real questions from top companies.

Product

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

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
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
Google logo
Google
Medium
Software Engineer

Parse strings and find meeting slots

Question Given a text file where each line contains raw information, extract the user identifier and the numeric quantity on that line and store the r...

Coding & Algorithms
38
0
120 people solved
Jul 29, 2025
Atlassian logo
Atlassian
Medium
Data Scientist

Train and evaluate logistic model with regularization

Binary Classification with Logistic Regression and Regularization Data - Two CSVs: a training set x and a test set x_test. - Each has 7 columns: - C...

Machine Learning
6
0
83 people solved
Oct 13, 2025
IXL Learning logo
IXL Learning
Easy
Software Engineer

Debug Kubernetes crashes and review Python ingestion script

Part A — Kubernetes: Pod/Container Crash Debugging You are on call and a service deployed to Kubernetes starts failing. The Pod shows CrashLoopBackOff...

Software Engineering FundamentalsContainers & OrchestrationDebugging
6
0
88 people solved
Feb 11, 2026
Palo Alto Networks logo
Palo Alto Networks
Medium
Software Engineer

Find minimum tanks to cover all houses

You are given a string S representing a street: - 'H' = a house - '-' = an empty plot where you may place a water tank A house is considered covered (...

Coding & Algorithms
5
0
73 people solved
Feb 9, 2026
Tubi logo
Tubi
Medium
Software Engineer

Execute TTL Cache Operations with Fetch-on-Miss

Execute TTL Cache Operations with Fetch-on-Miss Implement a pure simulator for a TTL cache. The simulator includes put, get, delete, size, and a deter...

Coding & Algorithms
4
0
42 people solved
Feb 16, 2026
BlackRock logo
BlackRock
Easy
Software Engineer Locked

Traverse a tree and answer 2D prefix sums

This question evaluates a candidate's competency in tree traversal and array preprocessing, specifically in-order traversal of binary trees and 2D pre...

Coding & AlgorithmsTreesGrids & Matrices
17
0
117 people solved
Jan 22, 2026
Instacart logo
Instacart
Medium
Software Engineer

Evaluate dependent variable expressions

Question Given a target variable name and a list of assignment strings of the form 'Ti = expression' where the expression is either a number, a single...

Coding & Algorithms
32
0
163 people solved
Jul 29, 2025
Pinterest logo
Pinterest
Medium
Data Scientist Locked

Evaluate Carousel and Billboard Lift

This question evaluates experiment design, causal inference, metric definition, diagnostic analysis, and measurement validity within the Analytics & E...

Analytics & ExperimentationExperiment Design (A/B Testing)Causal Inference
20
0
153 people solved
Jan 11, 2026
Adobe logo
Adobe
Medium
Software Engineer

Design an Extensible Tree Traversal Library

Question Design a reusable tree-traversal library that supports preorder, inorder, postorder, and level-order traversal. Callers supply their own acti...

Software Engineering Fundamentals
2
0
16 people solved
Apr 19, 2026
Optiver logo
Optiver
Hard
Data Scientist

Solve probability and expectation problems

Probability and Expectation Practice (Take‑home) Assume all coins and dice are fair unless stated otherwise. Show reasoning and final results. 1) Thre...

Statistics & MathProbabilityPuzzles & Brainteasers
30
0
237 people solved
Sep 6, 2025
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
7
0
133 people solved
Jan 23, 2026
Jane Street logo
Jane Street
Easy
Software Engineer

Stack Machine Interpreter with Typed Int and String Values

You are building an interpreter for a simple stack machine. The machine has a single stack, and every value on the stack is one of exactly two primiti...

Coding & AlgorithmsParsing & InterpretersStacks & Queues
54
0
434 people solved
Apr 28, 2022
Intuit logo
Intuit
Medium
Software Engineer Locked

Produce valid student lineup from parent array

This question evaluates understanding of rooted tree hierarchies, parent-before-child ordering constraints, and lexicographic minimality when construc...

Coding & AlgorithmsTreesHeaps & Priority Queues
16
0
117 people solved
Feb 11, 2026
Capital One logo
Capital One
Medium
Data Scientist

Quantify and Model Flight Delays Using Statistical Tests

Flight Delays: Quantification, Modeling, and Mitigation Testing You are a data scientist investigating flight delays using historical flight records a...

Statistics & MathMetrics & KPIsExperiment Design (A/B Testing)
26
0
168 people solved
Jul 12, 2025
Robinhood logo
Robinhood
Medium
Software EngineerSenior+

Handle security vs velocity conflicts across teams

Describe a time when you had to balance security requirements with business/product delivery speed, especially involving cross-team collaboration. Inc...

Behavioral & LeadershipConflict & CollaborationAmbiguity & Decision Making
10
0
110 people solved
Jan 22, 2026
Amazon logo
Amazon
Medium
Software EngineerIntern

Describe complex projects, failures, and pivots

In a software engineering internship interview, you may be asked a set of behavioral questions about project complexity, decision-making, failure, and...

Behavioral & LeadershipFailure & Learning
12
0
173 people solved
Feb 11, 2026
Anthropic logo
Anthropic
Medium
Software Engineer

Implement a Least-Recently-Used Cache

Design and implement an in-memory least-recently-used cache. Requirements: - The cache is initialized with a positive integer capacity. - Implement ge...

Coding & Algorithms
4
0
64 people solved
Apr 19, 2026
Snowflake logo
Snowflake
Medium
Software Engineer

Evaluate arithmetic expression with variables

Implement an expression evaluator for a string expr containing non-negative integers, variables (alphabetic names), operators +, -, , /, parentheses '...

Coding & AlgorithmsParsing & InterpretersStacks & Queues
7
0
121 people solved
Aug 14, 2025
Palo Alto Networks logo
Palo Alto Networks
Medium
Software Engineer

Mirror a binary tree and analyze complexity

Given the root of a binary tree, convert it to its mirror by swapping every node’s left and right children. Implement both recursive and iterative (us...

Coding & Algorithms
9
0
80 people solved
Sep 6, 2025
Uber logo
Uber
Hard
Software Engineer

Design Uber Eats-style search function

Design the search function for a large-scale food delivery platform similar to Uber Eats. A user opens the app and types a query into a single search ...

System DesignSearch & Feed SystemsGeo & Delivery Systems
49
0
588 people solved
Nov 11, 2025
Previous1...293294295...610Next
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
  • Stripe

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