PracHub
QuestionsExperienceLearningGuidesInterview PrepGreen Card
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
  • AI Coding Questions
  • Compare Platforms
  • Discord Community

Support

  • support@prachub.com
  • (916) 541-4762

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
Medium
Software Engineer

Explain RF/analog IC interview fundamentals

Explain RF/analog IC interview fundamentals You are interviewing for an RF/analog IC design role. Answer the following conceptual questions (no code r...

Software Engineering Fundamentals
13
0
184 people solved
Aug 5, 2025
Netflix logo
Netflix
Medium
Data Scientist

How to Design Effective A/B Tests for Onboarding

Design Effective A/B Tests for Onboarding A consumer subscription app is launching a redesigned onboarding flow for newly registered users. The goal i...

Analytics & ExperimentationExperiment Design (A/B Testing)Metrics & KPIs
33
0
140 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Software Engineer

Design an online coding judge

Question Design an online coding practice and judging platform (think LeetCode / HackerRank / Codeforces) where users submit solutions that are compil...

System Design
8
0
71 people solved
Aug 14, 2025
Capital One logo
Capital One
Medium
Software Engineer

Implement 2D transforms and find max-lit point

Part A — 2D array transforms: Given an m×n integer matrix, implement the following in-place operations with clear function boundaries and complexity: ...

Coding & AlgorithmsGrids & MatricesIntervals & Scheduling
7
0
121 people solved
Sep 6, 2025
Tubi logo
Tubi
Hard
Data Scientist

Measure Super Bowl ad impact with causal design

Super Bowl National TV Ad: Incrementality Measurement Plan Context: Your consumer app ran a single 30-second national Super Bowl TV spot. Design a pla...

Analytics & Experimentation
12
0
87 people solved
Oct 13, 2025
Airbnb logo
Airbnb
Medium
Software Engineer

Design Connect-N winner detector

Question Design a data structure for the Connect-N game: pieces are dropped into a column (occupying the lowest empty cell). Implement move(column, pl...

Coding & Algorithms
25
2
106 people solved
Jul 29, 2025
Oracle logo
Oracle
Medium
Software Engineer

Object-oriented design of a fixed-capacity LRU cache with O(1) get and put

In an object-oriented design round, design and implement a least-recently-used (LRU) cache with a fixed capacity: - get(key) returns the value stored ...

Software Engineering FundamentalsData Structure DesignLow-Level Design (OOP)
0
0
2 people solved
Aug 1, 2026
Amazon logo
Amazon
Medium
Software Engineer

Count regions with DFS

Given an m x n grid of 0s and 1s, count the number of connected regions consisting of 1s using depth-first search (4-directional adjacency). Return th...

Coding & Algorithms
10
0
76 people solved
Sep 6, 2025
Meta logo
Meta
Medium
Software EngineerSenior+ Locked

Design Search And Web Crawling Systems

This question evaluates system-design and distributed-systems competencies including large-scale indexing and query-serving, relevance ranking and per...

System Design
8
0
83 people solved
May 21, 2026
Meta logo
Meta
Hard
Machine Learning Engineer

Architect an asynchronous RL post-training system

System Design: Asynchronous RLHF/RLAIF Post-Training for a Production Chat LLM Context You operate a chat LLM that already serves real user traffic. Y...

ML System DesignReinforcement LearningMLOps & Model Serving
30
3
244 people solved
Sep 6, 2025
Google logo
Google
Medium
Software Engineer

Handle conflict, priorities, and ownership scenarios

Behavioral interview prompts Answer the following behavioral questions. Use concrete examples from your experience. 1) Disagreement / conflict - Descr...

Behavioral & LeadershipConflict & CollaborationCommunication & Stakeholders
5
0
95 people solved
Jan 22, 2026
Capital One logo
Capital One
Medium
Data Scientist

Fix failing tests and refactor code

You're given a small Python repo. After creating and activating a clean virtual environment, installing requirements, and running "pytest -q", two tes...

Coding & AlgorithmsTesting & QualityCode Quality & Maintainability
14
0
147 people solved
Oct 13, 2025
Pinterest logo
Pinterest
Medium
Software Engineer

Build an emoji blaster animation on iOS

iOS "Blaster" App: Press-and-Hold Emoji Projectiles Problem Build a minimal iOS app with a button fixed at the bottom. While the user presses and hold...

Software Engineering FundamentalsiOSMobile Architecture & Performance
12
0
128 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software EngineerIntern

Compute Latencies and Search Grid Path

You are given two coding tasks from an internship interview. Task 1: Compute Message Latency from CSV Logs Two systems, ComputeA and ComputeB, exchang...

Coding & Algorithms
2
0
38 people solved
Mar 4, 2026
Google logo
Google
Medium
Data Scientist

Normalize Columns in Binomial Matrix Efficiently

Scenario Write code that creates a 100×100 matrix of Binomial(1, 0. 5) samples and normalizes each column so it sums to 1. Question Provide an efficie...

Coding & Algorithms
19
0
75 people solved
Jul 12, 2025
Microsoft logo
Microsoft
Medium
Software Engineer

Implement tree traversals, BFS, and subsets generation

1) Define a TreeNode class for a binary tree with an integer value and left/right pointers. Implement preorder, inorder, and postorder traversals: (a)...

Coding & AlgorithmsTreesGraphs
7
0
97 people solved
Sep 6, 2025
Coinbase logo
Coinbase
Medium
Software Engineer Locked

Compute Total Manual Distance

This question evaluates array processing, state simulation, and algorithmic reasoning for deterministic stepwise processes, including handling unsorte...

Coding & Algorithms
6
0
66 people solved
Mar 29, 2026
Apple logo
Apple
Medium
Frontend Engineer Locked

Diagnose Cold-Load and Massive-Table Performance in a Web App

Diagnose two frontend performance cases: a cold page load and a browser asked to render ten million API records. The discussion emphasizes measurement...

Software Engineering Fundamentals
4
0
39 people solved
Jul 13, 2026
Google logo
Google
Medium
Software Engineer

Find fair split of a two-color necklace

Given a circular necklace represented by a string s over {'a','b'}, you may cut the necklace at most twice (yielding three contiguous pieces). Can you...

Coding & AlgorithmsArrays & Strings
21
3
271 people solved
Sep 6, 2025
Intuit logo
Intuit
Medium
Software Engineer

Design prompts for JSON-only LLM responses

Design an LLM request that returns strict JSON only Context You are designing a backend call to an LLM for a technical screen (System Design & Enginee...

ML System Design
10
0
99 people solved
Sep 6, 2025
Previous1...347348349...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