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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

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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
Amazon logo
Amazon
Medium
Software Engineer

Brainstorm a business problem approach

Brainstorm a business problem approach Analytics & Experimentation Brainstorm (Scenario Provided) Context You are evaluating a feature proposal for a ...

Analytics & Experimentation
5
0
52 people solved
Jul 15, 2025
Amazon logo
Amazon
Medium
Data Scientist

Diagnose Causes and Test Hypotheses for Metric Drop

Diagnosing and Testing a Sudden Metric Drop A large consumer web or mobile product sees its key business metric drop materially and suddenly. Assume s...

Analytics & Experimentation
40
0
140 people solved
Jul 12, 2025
Instacart logo
Instacart
Medium
Software Engineer

Pivot transactions by date without date libs

Given a stream of transaction rows (shopper_id, date_str, amount) where date_str is ISO format 'YYYY-MM-DD', produce a pivoted report for a specified ...

Data Manipulation (SQL/Python)
2
0
22 people solved
Sep 6, 2025
Expedia logo
Expedia
Hard
Software Engineer

How do you learn new knowledge quickly?

Behavioral questions 1. How do you learn new knowledge/technology quickly? Provide a concrete example. 2. What was the most challenging project you wo...

Behavioral & Leadership
5
0
75 people solved
Jan 6, 2026
PayPal logo
PayPal
Medium
Data Scientist

Identify Users with Specific Page Visit Sequence

page_visits +------------+---------+---------+----------+ | date | user_id | page_id | ts | +------------+---------+---------+----------+ ...

Data Manipulation (SQL/Python)
57
0
16 people solved
Jul 12, 2025
ByteDance logo
ByteDance
Medium
Product Manager

How do you prioritize requirements

In a TikTok platform Product Manager interview, explain how product requirements are generated and how you prioritize competing work for a platform pr...

Product / Decision MakingPrioritization & TradeoffsMetrics & KPIs
6
0
80 people solved
Oct 6, 2024
Microsoft logo
Microsoft
Medium
Data Scientist

Describe Overcoming Challenges in Machine Learning Projects

Describe Overcoming Challenges in Machine Learning Projects Microsoft Data Scientist Phone Screen — Behavioral Questions (Use STAR) Instructions Use t...

Behavioral & Leadership
5
0
61 people solved
Aug 4, 2025
PayPal logo
PayPal
Easy
Data Scientist Locked

Write SQL using HAVING and window functions

This question evaluates SQL data manipulation competency, focusing on aggregation filtering with HAVING and the use of window functions for running co...

Data Manipulation (SQL/Python)SQL
10
0
82 people solved
Jan 17, 2026
SoFi logo
SoFi
Hard
Software Engineer

Design a Real-Time Suggestions Service

Design a Real-Time Suggestions Service System Design: Real-Time Typeahead/Autocomplete Context Design a real-time typeahead/autocomplete service for a...

System DesignSearch & Feed Systems
14
0
113 people solved
Jul 16, 2025
Oracle logo
Oracle
Medium
Software Engineer

Return a valid course completion order

You are given an integer n representing n courses labeled 0..n-1 and a list of prerequisite pairs prerequisites, where each pair [a, b] means you must...

Coding & AlgorithmsGraphs
12
0
106 people solved
Jan 26, 2026
Meta logo
Meta
Medium
Data Scientist

Identify Users Interested in Group Video Calls

video_calls caller | recipient | ds | call_id | duration u1 | u2 | 2023-09-01| c100 | 320 u3 | u4 | 2023-09-01| c101 ...

Data Manipulation (SQL/Python)
114
0
374 people solved
Jul 12, 2025
Microsoft logo
Microsoft
Medium
Software Engineer

Describe background and motivations

Describe background and motivations Behavioral Interview Prompts — Technical/Phone Screen (Software Engineer) Context You are preparing for a technica...

Behavioral & Leadership
8
0
64 people solved
Aug 4, 2025
Capital One logo
Capital One
Easy
Data Scientist Locked

Should a Restaurant Partner with Groupon?

This question evaluates the ability to analyze unit economics, marginal profitability, and cannibalization effects using quantitative assumptions and ...

Analytics & Experimentation
8
0
66 people solved
Feb 1, 2026
Meta logo
Meta
Medium
Software Engineer

Describe a recent project you led

Describe a recent project you led Behavioral Prompt: Project Leadership Walkthrough (Software Engineer) Provide a concise, end-to-end walkthrough of a...

Behavioral & Leadership
3
0
39 people solved
Jul 29, 2025
Amazon logo
Amazon
Medium
Data Scientist

Implement Function to Determine Mode and Prime Numbers

Scenario Implementing utility algorithms within a data-processing library. Question Write a function that returns the mode of an integer list; if all ...

Coding & Algorithms
21
0
68 people solved
Jul 12, 2025
Meta logo
Meta
Medium
Software Engineer Locked

Compute unmatched parentheses length

This question evaluates string-processing skills and understanding of parentheses matching and cancellation, focusing on linear-time sequence analysis...

Coding & Algorithms
4
0
50 people solved
Jan 18, 2026
Meta logo
Meta
Medium
Data Scientist

Identify Probability Distributions for Modeling Ad Clicks

Identify Probability Distributions for Modeling Ad Clicks You are interviewing for a data scientist role on an ads team. The interviewer asks you to d...

Statistics & Math
73
0
149 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Software Engineer Locked

Count three-digit numbers with distinct digits

This question evaluates a candidate's understanding of digit manipulation, basic combinatorics, and implementation of value-range constraints in codin...

Coding & Algorithms
3
0
49 people solved
Jan 6, 2026
DoorDash logo
DoorDash
Medium
Data Scientist Locked

Should DoorDash add bicycle dashers?

This question evaluates a data scientist's skills in experimental design, causal inference, marketplace analytics, metrics engineering, and business-i...

Analytics & Experimentation
6
0
64 people solved
Jan 12, 2026
Snapchat logo
Snapchat
Hard
Machine Learning Engineer

Implement calculator and graph connectivity

Answer the following coding problems: 1. Implement an arithmetic expression evaluator. Given a string containing non-negative integers, spaces, +, -, ...

Coding & Algorithms
8
0
66 people solved
Jan 30, 2026
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