Capgemini

Global leader in partnering with companies to transform and manage their business by harnessing the power of technology.

4 Rounds ~21 Days Medium

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The Interview Loop

Recruiter Screen (30 min)

Standard fit check, behavioral questions, and resume overview.

Technical Loop (3-4 Rounds)

Deep dive into domain knowledge, coding, and system design.

Interview Question Bank

All Roles Frontend Engineer 7

All Topics React 7 JavaScript 7 System Design 5 Culture Fit 4 Web Fundamentals 3 Leadership 2 Testing 2 TypeScript 2

Frontend Engineer • Coding • medium

Implement a polyfill for `Promise.all`. How does your implementation handle a mix of resolved promises, rejected promises, and non-promise values?

#Promises #Asynchronous JavaScript #Polyfills

Practice

Frontend Engineer • Coding • medium

Write a JavaScript function to deep clone a nested object. You cannot use `JSON.parse(JSON.stringify())` or external libraries like Lodash.

#Recursion #Data Structures #Object Manipulation

Practice

Frontend Engineer • Coding • medium

What is the difference between Debounce and Throttle? Implement a debounce function from scratch.

#Performance Optimization #Higher-Order Functions #Timers

Practice

Frontend Engineer • Coding • medium

Implement a custom polyfill for the `Function.prototype.bind` method.

#Context (this) #Polyfills #Prototypes

Practice

Frontend Engineer • Technical • easy

Explain Event Delegation in JavaScript. Write a short snippet to handle click events on a dynamically growing list of items without attaching an event listener to every single `<li>`.

#DOM Manipulation #Event Bubbling #Event Delegation

Practice

Frontend Engineer • Technical • medium

Explain closures in JavaScript. Can you write a practical example of currying a function that calculates discounts for an e-commerce client?

#Closures #Functional Programming #Currying

Practice

Frontend Engineer • Technical • hard

Explain the JavaScript Event Loop. Given a code snippet with `console.log`, `setTimeout`, and `Promise.resolve`, predict the exact execution order and explain why.

#Event Loop #Microtasks #Macrotasks

Practice

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The "Standard" Interviewer

Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

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Unwritten Rules

Think Out Loud

Always explain your thought process before writing code or drawing architecture.

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