Interview Questions
These 23,058 unique questions come from 3,438 real job interviews with 1,533 candidates, recorded with MeetAssist from Sep 2025 to Oct 2026.
By topic
System Design came up in the most interviews (942), followed by SQL (612) and REST API (377).
Programming languages
Python Interview Questions
Most asked: “How do Python lists and tuples differ, and when would you choose each?”
510 questions · 281 interviews
JavaScript Interview Questions
Most asked: “How do var, let, and const differ in scope, reassignment, hoisting, and the temporal dead zone?”
256 questions · 172 interviews
Java Interview Questions
Most asked: “What is Java, and what are its main features?”
353 questions · 158 interviews
C# and .NET Interview Questions
Most asked: “How do transient, scoped, and singleton service lifetimes differ, and when would you use each?”
315 questions · 95 interviews
TypeScript Interview Questions
Most asked: “What is the difference between type aliases and interfaces in TypeScript, and when would you use each?”
67 questions · 45 interviews
C++ Interview Questions
Most asked: “How does C++ differ from C and Python?”
93 questions · 42 interviews
PHP and Laravel Interview Questions
Most asked: “What is middleware in Laravel?”
127 questions · 39 interviews
Frameworks, web and mobile
HTML and CSS Interview Questions
Most asked: “What happens from entering a URL until the browser displays the page?”
322 questions · 157 interviews
React Interview Questions
Most asked: “What is React, and why use it instead of manipulating the DOM directly?”
218 questions · 154 interviews
Spring Boot Interview Questions
Most asked: “What causes N+1 queries, and how do you detect and prevent them in production?”
167 questions · 115 interviews
Node.js Interview Questions
Most asked: “What is Node.js, how does it work, and what is it used for?”
99 questions · 64 interviews
Angular Interview Questions
Most asked: “How would you choose between Angular, React, and other frontend frameworks?”
88 questions · 35 interviews
iOS and Swift Interview Questions
Most asked: “What do you mean by higher-order functions?”
163 questions · 34 interviews
Next.js Interview Questions
Most asked: “What's the difference between server-side rendering and client-side rendering in Next.js?”
39 questions · 31 interviews
Android and Kotlin Interview Questions
Most asked: “What challenges and trade-offs come with Kotlin Multiplatform, and how would you address them?”
140 questions · 30 interviews
Computer science and backend
System Design Interview Questions
Most asked: “How would you design and implement a production RAG pipeline?”
2,063 questions · 942 interviews
REST API Interview Questions
Most asked: “What is the difference between PUT and PATCH, and when would you use each?”
576 questions · 377 interviews
Data Structures and Algorithms Interview Questions
Most asked: “Write a Two Sum function returning the matching indices, and explain its time complexity.”
772 questions · 374 interviews
OOP and Design Patterns Interview Questions
Most asked: “What is object-oriented programming, and can you explain its four main principles with examples?”
506 questions · 347 interviews
Computer Networks Interview Questions
Most asked: “How do switches, routers, and firewalls differ?”
1,034 questions · 337 interviews
Operating Systems Interview Questions
Most asked: “How do processes and threads differ, and what problems arise when threads share data?”
271 questions · 206 interviews
Kafka and Message Queues Interview Questions
Most asked: “How would you prevent duplicate business effects when a message is redelivered, including after a crash?”
312 questions · 169 interviews
Microservices Interview Questions
Most asked: “How do you decide whether to use a monolith or move to microservices?”
141 questions · 131 interviews
Caching and Redis Interview Questions
Most asked: “What is Redis, and how would you use it in an application?”
167 questions · 114 interviews
Git Interview Questions
Most asked: “How do Git merge and rebase differ, and when would you choose each?”
91 questions · 75 interviews
Databases and data
SQL Interview Questions
Most asked: “What are SQL joins, and which rows do INNER, LEFT, RIGHT, and FULL OUTER JOIN return?”
1,212 questions · 612 interviews
ETL and Data Pipelines Interview Questions
Most asked: “How would you validate data integrity and prove no data was lost during a migration?”
830 questions · 307 interviews
Data Modeling Interview Questions
Most asked: “What are slowly changing dimensions, and when would you use them?”
526 questions · 274 interviews
MongoDB and NoSQL Interview Questions
Most asked: “What is the difference between relational SQL databases and non-relational NoSQL databases?”
81 questions · 74 interviews
Spark, PySpark and Databricks Interview Questions
Most asked: “What is Delta Lake, and what benefits do its ACID transactions, schema enforcement, and time travel provide?”
168 questions · 74 interviews
Excel Interview Questions
Most asked: “When would you choose XLOOKUP over INDEX/MATCH, and what performance and maintainability trade-offs matter?”
115 questions · 65 interviews
Power BI Interview Questions
Most asked: “How does Power BI compare with Tableau, particularly for data modeling?”
129 questions · 48 interviews
Azure Data Factory Interview Questions
Most asked: “What is Azure Data Factory?”
103 questions · 42 interviews
Snowflake Interview Questions
Most asked: “How do Snowflake's storage, compute, and cloud services layers work together?”
83 questions · 36 interviews
AI and machine learning
Machine Learning Interview Questions
Most asked: “What are overfitting and underfitting, and how do you detect and prevent them?”
743 questions · 320 interviews
Generative AI and LLM Interview Questions
Most asked: “What is a large language model?”
666 questions · 291 interviews
Agentic AI Interview Questions
Most asked: “What is an AI agent, what are its core components, and when would you use one?”
395 questions · 181 interviews
RAG Interview Questions
Most asked: “How would you design and implement an end-to-end RAG pipeline for an AI assistant?”
225 questions · 147 interviews
MLOps Interview Questions
Most asked: “How would you take a trained machine learning model into production, including quality checks and monitoring?”
168 questions · 124 interviews
Deep Learning Interview Questions
Most asked: “How does the transformer architecture work, and what are its main building blocks?”
109 questions · 85 interviews
Computer Vision Interview Questions
Most asked: “How does a CNN architecture work, and what role do convolutional layers play?”
226 questions · 75 interviews
Cloud, DevOps and IT
CI/CD Interview Questions
Most asked: “How would you design a CI/CD pipeline that takes code from commit to production?”
340 questions · 231 interviews
AWS Interview Questions
Most asked: “What is AWS?”
289 questions · 125 interviews
Active Directory and Windows Server Interview Questions
Most asked: “What is Active Directory, and what kinds of objects can you manage in it?”
297 questions · 100 interviews
Kubernetes Interview Questions
Most asked: “What is Kubernetes, and what is it used for?”
188 questions · 94 interviews
Linux Interview Questions
Most asked: “How do you change file ownership, group ownership, and permissions in Linux?”
172 questions · 94 interviews
Docker Interview Questions
Most asked: “What is Docker, and how does it help with application packaging, dependencies, configuration, and deployment?”
108 questions · 90 interviews
Azure Interview Questions
Most asked: “What are Azure Functions?”
160 questions · 82 interviews
Terraform Interview Questions
Most asked: “What is a Terraform state file?”
67 questions · 41 interviews
Testing and delivery
Manual Testing Interview Questions
Most asked: “What types of software testing do you know, and when would you use each?”
494 questions · 245 interviews
Automation Testing Interview Questions
Most asked: “How do you decide which tests to automate and which to keep manual?”
289 questions · 109 interviews
Agile and Scrum Interview Questions
Most asked: “How do Agile and Waterfall differ in their approach, team roles, and development cadence?”
106 questions · 81 interviews
API Testing Interview Questions
Most asked: “How do you test a REST API, and what checks do you consider essential?”
90 questions · 69 interviews
Salesforce Interview Questions
Most asked: “What is Salesforce?”
143 questions · 38 interviews
By role
The roles with the most interviews are Software Engineer (1,028), Backend Developer (587), and Full Stack Developer (267).
Software engineering
Software Engineer Interview Questions
Most asked: “How do you use AI in your day-to-day software development, and which tools do you use?”
6,758 questions · 1,028 interviews
Backend Developer Interview Questions
Most asked: “How do processes and threads differ, and when would you choose one over the other?”
4,100 questions · 587 interviews
Full Stack Developer Interview Questions
Most asked: “How do you use AI in your day-to-day software development, and which tools do you use?”
1,743 questions · 267 interviews
QA Engineer Interview Questions
Most asked: “What is the difference between PUT and PATCH, and when would you use each?”
1,130 questions · 165 interviews
Frontend Developer Interview Questions
Most asked: “How do CSS Grid and Flexbox differ, and when would you choose each for a responsive layout?”
704 questions · 123 interviews
Solutions Architect Interview Questions
Most asked: “Tell me about a technology roadmap you helped develop that guided teams outside your own.”
279 questions · 49 interviews
Data and AI
AI Engineer Interview Questions
Most asked: “How would you build a RAG pipeline?”
1,348 questions · 190 interviews
Data Engineer Interview Questions
Most asked: “What are the different SQL join types, what rows do they return, and when would you use each?”
1,596 questions · 180 interviews
Data Analyst Interview Questions
Most asked: “What are SQL joins, and how do INNER, LEFT, RIGHT, and FULL OUTER JOIN differ?”
817 questions · 129 interviews
AI Trainer Interview Questions
Most asked: “When annotation guidelines change, how do you keep labels consistent and decide whether to relabel earlier data?”
1,307 questions · 128 interviews
Data Scientist Interview Questions
Most asked: “What are overfitting and underfitting, and how do you detect and prevent overfitting?”
692 questions · 108 interviews
Machine Learning Engineer Interview Questions
Most asked: “What are overfitting and underfitting, and how do you detect and prevent them?”
450 questions · 69 interviews
Cloud, IT and security
DevOps Engineer Interview Questions
Most asked: “What is DevOps?”
756 questions · 106 interviews
Cybersecurity Interview Questions
Most asked: “How do you prioritize vulnerabilities using severity, exploitability, threat intelligence, asset criticality, and incomplete information?”
792 questions · 103 interviews
IT Support and Help Desk Interview Questions
Most asked: “How do you prioritize competing support tickets by urgency, impact, and resolution targets?”
524 questions · 99 interviews
System Administrator Interview Questions
Most asked: “What is a synthetic full backup?”
624 questions · 69 interviews
Network Engineer Interview Questions
Most asked: “What is the OSI model, and what does each layer do?”
482 questions · 64 interviews
Cloud Engineer Interview Questions
Most asked: “How would you design a CI/CD pipeline for containerized applications, including stages, approvals, deployments, and rollbacks?”
269 questions · 41 interviews
Product, business and design
Digital Marketing Interview Questions
Most asked: “Which metrics do you prioritize to measure campaign success, and how do they change with campaign goals?”
581 questions · 143 interviews
Sales Interview Questions
Most asked: “How do you source and validate prospects for outbound sales?”
364 questions · 104 interviews
Financial Analyst Interview Questions
Most asked: “How do you calculate unlevered free cash flow from EBITDA, including depreciation, taxes, capex, and working capital?”
716 questions · 98 interviews
Project Manager Interview Questions
Most asked: “What are the different Scrum ceremonies?”
407 questions · 83 interviews
Customer Service Interview Questions
Most asked: “What would you do if you didn't know the answer to a customer's question?”
231 questions · 78 interviews
Accountant Interview Questions
Most asked: “What is the difference between accrual-basis and cash-basis accounting?”
149 questions · 41 interviews
Business Analyst Interview Questions
Most asked: “Can you walk me through how you would convert a stakeholder request into a development-ready user story?”
165 questions · 38 interviews
Product Manager Interview Questions
Most asked: “How would you identify user problems?”
180 questions · 29 interviews
UX and UI Designer Interview Questions
Most asked: “How do you document and explain why you changed some slide elements and preserved others?”
179 questions · 25 interviews
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