Wipro

Wipro

Global information technology, consulting and business process services company.

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

Frontend Engineer • Coding • medium

Write a polyfill for Array.prototype.reduce from scratch.

#JavaScript Core #Polyfills #Higher Order Functions
Practice
Frontend Engineer • Coding • medium

Implement a debounce function in JavaScript. How would you modify it to execute immediately on the first call?

#Closures #Performance Optimization #DOM Events
Practice
Frontend Engineer • Coding • hard

Implement a function 'promiseAllWithLimit(tasks, limit)' that takes an array of async tasks and executes them with a maximum concurrency of 'limit'.

#Promises #Concurrency #Asynchronous JS
Practice
Frontend Engineer • Coding • medium

Implement a simple Event Emitter (Pub/Sub) class in JavaScript with 'on', 'emit', and 'off' methods.

#Design Patterns #Classes #Event Handling
Practice
Frontend Engineer • Coding • easy

Write a function 'groupBy(array, property)' that takes an array of objects and groups them by a specific property.

#Array Methods #Data Manipulation #Objects
Practice
Frontend Engineer • Technical • medium

Explain the JavaScript Event Loop. What will be the output of a script containing synchronous logs, setTimeout, and Promise.then() calls?

#Event Loop #Asynchronous JS #Microtasks #Macrotasks
Practice
Frontend Engineer • Technical • hard

What are Web Workers? How would you implement one to parse a massive JSON payload from a Wipro backend service without freezing the UI?

#Web Workers #Multithreading #Performance
Practice
Frontend Engineer • Technical • medium

How do you identify and prevent memory leaks in a Single Page Application (SPA)?

#Memory Management #Performance #Debugging
Practice
Frontend Engineer • Technical • easy

Explain the concept of closures in JavaScript. Provide a practical use case where a closure is necessary.

#Closures #Scope #Lexical Environment
Practice

Difficulty Radar

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The "Standard" Interviewer

Senior Engineer

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

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Think Out Loud

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

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