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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
11.9k
Companies
569
Updated
10.02.2026
11.9k Questions 569 Companies10.02.2026

Practice with Claude Code or Codex

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>Build a 30-day plan from PracHub's Meta SWE questions.

Two weeks of coding, then system design, then mock rounds. Start day 1?

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
Coinbase logo
Coinbase
Hard
Software Engineer Locked

Design real-time crypto prices homepage

This question evaluates system design competency for real-time, low-latency data pipelines and client fanout for a crypto prices homepage, testing ski...

System DesignReal-Time Systems
14
0
220 people solved
Jan 22, 2026
TikTok logo
TikTok
Medium
Software Engineer Locked

Design a content moderation system

This question evaluates a candidate's competency in designing large-scale content moderation systems, covering distributed architecture, scalability a...

System DesignSystem Design Fundamentals
7
0
125 people solved
Jan 22, 2026
Coinbase logo
Coinbase
Medium
Data Scientist Locked

Design Identity & Trust Experiment

This question evaluates a data scientist's experimental design and causal inference skills, specifically A/B testing methodology, metric selection, po...

Analytics & Experimentation
4
0
51 people solved
Jan 21, 2026
Lyft logo
Lyft
Medium
Data Scientist Locked

Investigate MAU Drop and Test Coupons

This question evaluates a data scientist's competency in product analytics, causal inference, experimentation design, metric decomposition, user segme...

Analytics & ExperimentationMetric DiagnosticsExperiment Design (A/B Testing)
7
0
103 people solved
Jan 20, 2026
Oracle logo
Oracle
Medium
Data ScientistIntern Locked

Count Closed Islands

This question evaluates a candidate's understanding of grid-based connectivity and the ability to detect enclosed regions, testing skills in graph rep...

Coding & Algorithms
6
0
44 people solved
Jan 20, 2026
Meta logo
Meta
Medium
Data Scientist

How would you evaluate Pixel issue alerts?

Meta is considering a new advertiser-facing ad management feature. When the system detects that an advertiser's Ads Pixel may be misconfigured or send...

Analytics & Experimentation
2
0
31 people solved
Jan 20, 2026
O
Others
Medium
Software Engineer Locked

Write a quarterly SQL report and a bash max-file script

This question evaluates proficiency in SQL conditional aggregation and date-based grouping alongside shell scripting skills for recursive filesystem t...

Software Engineering Fundamentals
2
0
40 people solved
Jan 20, 2026
Gofundme logo
Gofundme
Easy
Software Engineer Locked

Explain React and Firebase data interaction

This question evaluates understanding of frontend-backend data flow and integration with cloud-hosted databases, specifically concepts like real-time ...

Software Engineering Fundamentals
1
0
34 people solved
Jan 19, 2026
Meta logo
Meta
Easy
Data Scientist Locked

Compute probability an account is fake

This question evaluates understanding of conditional probability and Bayesian reasoning, specifically interpreting base rates alongside true positive ...

Statistics & MathProbability
29
1
457 people solved
Jan 17, 2026
Shopify logo
Shopify
Easy
Data Scientist

Present pirated-usage findings to a PM

You computed (1) monthly % of shops using pirated themes and (2) monthly and cumulative estimated revenue loss from pirated themes. Explain how you wo...

Behavioral & LeadershipCommunication & Stakeholders
29
0
204 people solved
Jan 17, 2026
SoFi logo
SoFi
Medium
Software EngineerSenior+ Locked

Generate all permutations of an array

This question evaluates understanding of permutation generation, recursion and backtracking techniques, along with skills in state-space exploration a...

Coding & AlgorithmsBacktracking & Recursion
12
0
112 people solved
Jan 16, 2026
DoorDash logo
DoorDash
Medium
Data Scientist Locked

Investigate LA Completed Orders Decline

This question evaluates a data scientist's skills in product analytics, causal inference, metric decomposition, anomaly investigation, and experimenta...

Analytics & Experimentation
4
0
51 people solved
Jan 15, 2026
Roblox logo
Roblox
Easy
Software Engineer Locked

Design a game recommendation modeling approach

This question evaluates proficiency in end-to-end machine learning system design for recommender systems, including product goal and target definition...

ML System DesignRecommendation SystemsExperiment Design (A/B Testing)
16
0
161 people solved
Jan 14, 2026
NVIDIA logo
NVIDIA
Medium
Software Engineer Locked

Derive MLP shapes and explain PyTorch broadcasting

This question evaluates understanding of tensor shapes, linear layer forward computation, and deep-learning-framework broadcasting semantics. It is co...

Machine Learning
7
0
70 people solved
Jan 14, 2026
Adobe logo
Adobe
Medium
Machine Learning Engineer Locked

Explain leakage, missing data, and common losses

This question evaluates a candidate's understanding of data leakage, strategies for handling missing data, and the differences between loss functions ...

Machine LearningFeature EngineeringData Cleaning & Wrangling
12
0
120 people solved
Jan 13, 2026
LinkedIn logo
LinkedIn
Medium
Software Engineer Locked

Design a malicious-URL checking service using an isMalicious API

This question evaluates system design competencies such as scalable API design, caching and cache invalidation strategies, rate limiting and backpress...

System DesignCachingRate Limiting
18
0
238 people solved
Jan 12, 2026
R
Reinforce Labs
Medium
Software Engineer Locked

Write SQL to compute current product stock

This question evaluates SQL competence in aggregations and relational joins, including handling baselines, nullable data, temporal filtering, and accu...

Software Engineering Fundamentals
3
0
28 people solved
Jan 8, 2026
SoFi logo
SoFi
Easy
Software Engineer Locked

Count numbers with same popcount up to all-ones bound

This question evaluates skill in bit manipulation and combinatorial counting over binary representations in the Coding & Algorithms domain, specifical...

Coding & AlgorithmsBit Manipulation
20
0
140 people solved
Jan 7, 2026
SoFi logo
SoFi
Easy
Software Engineer Locked

Find maximum-occurring character in a string

This question evaluates proficiency in string manipulation and frequency counting, including correct handling of tie-breaking by earliest first occurr...

Coding & AlgorithmsArrays & Strings
6
0
76 people solved
Jan 7, 2026
Databricks logo
Databricks
Medium
Machine Learning Engineer Locked

Implement Linear Regression Gradient Descent

This question evaluates understanding of simple linear regression, batch gradient descent, loss function formulation, gradient derivation for model pa...

Machine Learning
7
0
69 people solved
Jan 6, 2026
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