Intercom Senior Front End Engineer Interview Questions and Answers

Coding a frontend UI from provided image. And creating a fucntional star rating system

Q1. Designing a Component API in React using Typescript.
Ans. 
Designing a Component API in React using Typescript involves defining props, state, and methods for the component.
• Define the props interface to specify the expected input data for the component

• Use typescript types to ensure type safety and prevent runtime errors

• Define the state interface to manage the internal state of the component

• Implement methods to handle user interactions and component logic

• Document the component
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Q2. Create a function that can clear all the timer ids at once.
Ans. 
Function to clear all timer ids at once
• Create an array to store all timer ids

• Iterate through the array and clear each timer id using clearTimeout() function
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My mostly question were around node js frame works and other tools

Q1. Case study for the question asked
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Q2. Tell me something more about you
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Q1. Tell me about yourself
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Q2. Why you left your previous job ?
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Q3. How to manage petty cash
Ans. 
Petty cash should be managed carefully to ensure accuracy and accountability.
• Keep a designated petty cash fund separate from other funds

• Record all transactions in a petty cash log

• Reconcile the petty cash fund regularly to ensure it matches the recorded transactions

• Limit access to the petty cash fund to authorized personnel only
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It was based on Javascript. Some web basics like CORS , react rendering patterns. Then JS based output questions. Some were based on JS promise. Function currying.

Q1. Questions on optimizations
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Q2. Question on React Js
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Medium level DSA question in JS

Question are very tough and faad

Question like trees linked list and graphs

Machine coding round with 3 hours to make UI for a given problem statement

Q1. Questions related to nuances of React and javacript.
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Q1. Few behaviourial questions.
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1 Hr coding round, Leetcode medium problems like Minimum Grid sum & Basic calculator