LTIMindtree

Global technology consulting and digital solutions 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

All Roles Frontend Engineer 10

All Topics System Design 40 Algorithms 31 SQL 25 Culture Fit 21 Machine Learning 16 Leadership 13 JavaScript 10 Big Data 10

Frontend Engineer • Coding • medium

Write a function to flatten a deeply nested JavaScript object into a single-level object with dot-separated keys.

#Recursion #Object Manipulation #Data Structures

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

Frontend Engineer • Coding • medium

Implement a function to deep clone a JavaScript object without using `JSON.parse(JSON.stringify())`. Handle Dates and Arrays.

#Recursion #Memory Management #Object Manipulation

Frontend Engineer • Coding • medium

Write a function to curry an existing function `add(a, b, c)` so it can be called as `add(a)(b)(c)` or `add(a, b)(c)`.

#Currying #Closures #Functional Programming

Frontend Engineer • Coding • medium

Create a polyfill for `Array.prototype.reduce`.

#Polyfills #Arrays #Functional Programming

Frontend Engineer • Technical • hard

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

#Memory Management #Performance #DevTools

Frontend Engineer • Technical • easy

Explain Event Delegation in JavaScript. Why is it useful and how does it relate to Event Bubbling?

#DOM Events #Event Bubbling #Performance

Frontend Engineer • Technical • medium

Explain the Event Loop in JavaScript. Specifically, how does the engine prioritize between Microtasks (like Promises) and Macrotasks (like setTimeout)?

#Event Loop #Concurrency #Browser Architecture

Frontend Engineer • Technical • easy

Explain closures in JavaScript. Can you provide a practical use case where you used a closure in a recent client project?

#Closures #Scope #Lexical Environment

Frontend Engineer • Technical • easy

Explain the concept of Hoisting in JavaScript. How do `let` and `const` differ from `var` in this context?

#Hoisting #Scope #ES6

Difficulty Radar

Based on recent AI-sourced data.

Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

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

Unwritten Rules

Think Out Loud

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