Interview Questions

MongoDB Interview Questions (2026): Most Commonly Asked, With Answers

A backend engineer candidate at a 40-person fintech startup lost the round in under two minutes in March 2026. The question wasn’t hard on…

By Hari · July 28, 2026

SQL Interview Questions (2026): From Joins to Window Functions

A candidate at a Series B fintech spent six weeks grinding through LeetCode’s SQL section before her onsite. Then the interviewer opened a blank…

By Dhanush · July 28, 2026

Selenium Automation Interview Questions (2026): WebDriver to Frameworks

A QA lead at a 60-person logistics startup rejected a Selenium candidate in April 2026 over one follow-up question: what happens if you set…

By Hari · July 27, 2026

React Developer Interview Questions (2026): Hooks, Performance & Patterns

React was used by 46.9 percent of professional developers in the 2025 Stack Overflow Developer Survey, more than double Angular’s 19.8 percent and Vue’s…

By Shekhar · July 27, 2026

QA Engineer Interview Questions (2026): 25 Most Commonly Asked, With Answers

A QA engineer candidate at a Series B logistics startup got one technical question for 35 minutes straight during a January 2026 loop: “here’s…

By Hari · July 27, 2026

Python Developer Interview Questions (2026): Core to Advanced

Python developer interview questions in 2026 range from a two-minute is-vs-== check to a full GIL internals grilling, depending on the loop and the…

By Prasanth · July 26, 2026

PHP Developer Interview Questions (2026): 25 Most Asked, With Answers

PHP still runs the majority of the web. W3Techs put the number at 71.8% of websites with a known server-side language as of mid-2026,…

By Venkat · July 26, 2026

Node.js Interview Questions (2026): 24 Must-Know Q&A With Examples

A backend engineer at a 40-person logistics startup once got stuck on one question for almost 25 minutes in her Node.js phone screen: why…

By Shekhar · July 26, 2026

Manual Testing Interview Questions (2026): QA Fundamentals to Scenarios

A fresh B.Tech graduate walks into her first manual testing interview at a Bangalore product company. She has spent three weeks on a Selenium…

By Shekhar · July 25, 2026

Apache Kafka Interview Questions (2026): Must-Know Q&A

LinkedIn’s own Kafka fleet moves past 7 trillion messages a day now, spread across more than 100 clusters, 4,000-plus brokers, and roughly 7 million…

By Prasanth · July 25, 2026