Questions Explorer
Browse the full interview questions list before login
Search by topic, filter by subject and difficulty, and open question details with guest access. Sign in for AI review, mastery tracking, and personalized prep.
Published Questions
2,058
Practice Modes
Technical, behavioral, system design, and HR.
Guest Access
Search, filter, and open details before signing in.
Showing preview questions
What is React and why is it used?
Model Answer Preview
Explain component-based UI, declarative rendering, reusable components, virtual DOM, ecosystem. Include a deep React explanation with definition, internal flow, project use case, edge cases, and common mistakes.
Open question detailWhat is the difference between useState and useRef? When would you use useRef instead of useState?
Model Answer Preview
useState triggers render; useRef stores mutable value/DOM ref without render. Explain the concept, why it matters, one practical example, and one common pitfall.
Open question detailWhat is React?
Model Answer Preview
Define the concept, explain why it is used, show a small practical example, mention production considerations, and connect it to React Fundamentals.
Open question detailHow does API Gateway integrate with Lambda or backend services?
Model Answer Preview
Explain the step-by-step approach, key implementation details, trade-offs, failure cases, and a production-ready example for API Gateway.
Open question detailWhat core JavaScript topics do you expect in a Globant Web UI technical interview?
Model Answer Preview
Closures, hoisting, prototypes, async, DOM, ES6, and coding basics. Include a deep JavaScript explanation with definition, internal flow, project use case, edge cases, common mistakes, and likely follow-up questions around JavaScript Fundamentals....
Open question detailWhat is closure in JavaScript?
Model Answer Preview
A closure is a function that keeps access to variables from its outer lexical scope even after the outer function has finished.
Open question detailWhat is the difference between var, let, and const in JavaScript?
Model Answer Preview
Explain scope, hoisting, redeclaration, reassignment, and TDZ. Include a deep JavaScript explanation with definition, internal flow, project use case, edge cases, common mistakes, and likely follow-up questions around Variables, Hoisting & TDZ....
Open question detailWhat is React.js and what are its core features?
Model Answer Preview
Define the concept, explain why it is used, show a small practical example, mention production considerations, and connect it to React Fundamentals.
Open question detailWhat is aria-label and when should you use it?
Model Answer Preview
ARIA attributes, screen readers, accessible names, when visible label is absent. Give a clear definition, simple example, and interview-ready summary.
Open question detailImplement JSON.stringify behavior for nested objects, arrays, booleans, numbers, strings, and null.
Model Answer Preview
Handle recursive serialization, escaping strings, arrays, unsupported values. Include a deep JavaScript explanation with definition, internal flow, project use case, edge cases, common mistakes, and likely follow-up questions around Coding & Output Questions....
Open question detail