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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
Snowflake logo
Snowflake
Medium
Software Engineer

Compute height after deletions; enumerate valid delete sets

Warm-up: You are given a rooted binary tree with unique node ids and a list of ids to delete. When a node is deleted, promote all of its children to b...

Coding & AlgorithmsTreesBacktracking & Recursion
24
0
174 people solved
Sep 6, 2025
Meta logo
Meta
Medium
Software Engineer

Implement right side view and local minimum search

Question LeetCode 199. Binary Tree Right Side View — Given the root of a binary tree, return the values of the nodes you can see ordered from top to b...

Coding & Algorithms
34
0
113 people solved
Jul 29, 2025
Stripe logo
Stripe
Medium
Product Manager

Airline Consortium Brief: Make Flying Feel Enjoyable on a One-Million-Dollar Budget

A consortium of airlines has hired you and handed you a budget of \$1 million. Your brief is to change the common perception that flying is not an enj...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
9 people solved
Aug 11, 2025
Yelp logo
Yelp
Medium
Product Manager

Root-Cause Analysis of Inaccurate Wait Estimates in Yelp's Restaurant Waitlist

You are a product manager at Yelp working on its restaurant waitlist feature, which tells diners how long they can expect to wait for a table. Diners ...

Analytics & ExperimentationMetric DiagnosticsMetrics & KPIs
1
0
11 people solved
Jun 25, 2025
Amazon logo
Amazon
Medium
Software Engineer

Handle overwhelming recruiter prep and expectations

Behavioral Prompt: Handling Overwhelming Prep Under Short Notice Context You're preparing for an early-round HR screen for a Software Engineer role fo...

Behavioral & LeadershipPrioritization & TradeoffsCommunication & Stakeholders
9
0
101 people solved
Sep 6, 2025
Google logo
Google
Medium
Product Manager

Google Maps Product Sense: Helping Drivers Find Parking Near Their Destination

You are a product manager on Google Maps. Getting directions to a place is easy, but many driving trips still end with the hard part: finding somewher...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
8 people solved
Jun 10, 2026
Uber logo
Uber
Easy
Data Scientist Locked

How to experiment on ETA reduction

This question evaluates a data scientist's competence in causal inference, A/B test design, metric selection, and diagnosing observational confounding...

Analytics & ExperimentationExperiment Design (A/B Testing)Causal Inference
16
0
214 people solved
Feb 6, 2026
IXL Learning logo
IXL Learning
Medium
Software Engineer

Identify and prevent code-breaking inputs

Identify and prevent code-breaking inputs Identify inputs and scenarios that could break your implementation and explain how you would prevent them. C...

Coding & AlgorithmsTesting & Quality
9
0
101 people solved
Jul 17, 2025
Meta logo
Meta
Easy
Software Engineer Locked

Solve four OA coding problems

This set of four problems evaluates core algorithmic competencies including array manipulation and counting in sorted arrays, resource-constrained opt...

Coding & Algorithms
5
0
81 people solved
Jan 26, 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
13
0
132 people solved
Sep 6, 2025
Lyft logo
Lyft
Medium
Data Scientist

Demonstrate leadership under ambiguity

Describe a time you faced an open-ended, lightly guided interview or project where the counterpart had a strong accent and offered little direction. H...

Behavioral & LeadershipAmbiguity & Decision MakingCommunication & Stakeholders
10
0
112 people solved
Oct 13, 2025
Apple logo
Apple
Hard
Machine Learning Engineer

Design an ML keyword recommendation pipeline

Design an ML keyword recommendation pipeline ML System Design: Typed Search Keyword Recommendations for an App Marketplace Goal Design an end-to-end M...

ML System DesignSearch RelevanceML Data Pipelines & Feature Stores
13
0
182 people solved
Jul 26, 2025
Capital One logo
Capital One
Easy
Data Scientist

Calculate Profitability with Different Pricing Schemes

Unit Economics and Break-even Analysis You are evaluating a subscription product's monthly unit economics. Unless otherwise noted, fixed cost is $400 ...

Analytics & ExperimentationBusiness Case Analysis
67
0
303 people solved
Jul 12, 2025
TikTok logo
TikTok
Medium
Software Engineer Locked

Find a valid course order from prerequisites

This question evaluates understanding of graph algorithms, topological ordering, dependency resolution, and cycle detection within the Coding & Algori...

Coding & Algorithms
7
0
72 people solved
Jan 20, 2026
LinkedIn logo
LinkedIn
Medium
Product Manager

Behavioral: Rescuing a Derailed Project Through Diagnosis and Re-Planning

You are interviewing for a product manager role. Tell the interviewer about a project that was drifting off course, whether it was slipping on schedul...

Behavioral & LeadershipOwnership & Execution
1
0
8 people solved
Jun 14, 2025
Amazon logo
Amazon
Medium
Software Engineer

Demonstrate decision-making and collaboration behaviors

Behavioral & Leadership (Technical Screen) — CARL Format You are interviewing for a Software Engineer technical screen. Answer each prompt using the C...

Behavioral & Leadership
5
0
74 people solved
Sep 6, 2025
Bobyard logo
Bobyard
Medium
Software Engineer

Implement comment sorting and nesting

You are given mock comment data on the frontend. Each comment has: - id: unique comment ID - userId: author ID - timestamp: creation time - content: c...

Coding & Algorithms
11
0
92 people solved
Apr 9, 2026
TikTok logo
TikTok
Medium
Data Scientist

Calculate User Registration Date and 7-Day Retention Rate

user_posts +---------+--------------+-----------+ | user_id | posting_date | num_posts | +---------+--------------+-----------+ | 1 | 2023-01-01...

Data Manipulation (SQL/Python)
91
0
66 people solved
Jul 12, 2025
Netflix logo
Netflix
Medium
Product Manager

Netflix culture fit: name a culture memo principle that resonates and back it with a story

You are interviewing for a product manager role at Netflix, and the interviewer asks which part of Netflix's culture memo appeals to you most. Give yo...

Behavioral & LeadershipMotivation & Fit
2
0
16 people solved
Sep 14, 2025
LinkedIn logo
LinkedIn
Medium
Data Scientist

Train with imbalanced sampled data

You are training a binary classifier on a very large dataset where the positive class is rare. Because the full dataset is too large to train on direc...

Machine Learning
10
0
84 people solved
Sep 5, 2025
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