HCL Technologies interview experience Real time questions & tips from candidates to crack your interview
Senior Software Engineer
HCL Technologies
2 rounds | 2 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 1 Month
Topics: JavaScript : ES6 Features, Hoisting, Closures, this, window, oops, function currying, callback ,A sync await, PromisesCSS: Positions ,Pseudo Class, Element ,transform ,display ,flexbox ,grid ,Sass ,custom CSSHTML: HTML vs HTML5 ,new elements in HTML5,Acessibility
Tip 1 : practical practice each and every topic with Realtime program
Tip 2 : try to solve problem more than one solution
Tip 3 : try to create TO DO application from scratch
Application process
Where: Referral
Eligibility: 60% throughout
Tip 1 : mention your skills at top of your resume with some bigger font along with year of experience
Tip 2 : keep your skills short and precise
Interview rounds
01
Round
Medium
Video Call
Duration60 minutes
Interview date26 May 2022
Coding problem1
All Question related to Frontend Developer mentioned below:
JavaScript : ES6 Features, Hoisting, Closures, this, window, oops, function currying, callback ,A sync await, Promises
CSS: Positions ,Pseudo Class, Element ,transform ,display ,flexbox ,grid ,Sass ,custom CSS
HTML: HTML vs HTML5 ,new elements in HTML5,Acessibility
1. Javascript based technical Question
How to create a countdown timer using JavaScript
Problem approach
1)Set the end date for the timer
2)Make the timer function update every second
3)Calculate the remaining time in days, hours, minutes, and seconds
4)Display the output to users,
5)Display a message when the timer is over
02
Round
Medium
Face to Face
Duration30 minutes
Interview date29 May 2022
Coding problem1
All questions related to UI Developer
JavaScript : ES6 Features, Hoisting, Closures, this, window, oops, function currying, callback ,A sync await, Promises
CSS: Positions ,Pseudo Class, Element ,transform ,display ,flexbox ,grid ,Sass ,custom CSS
HTML: HTML vs HTML5 ,new elements in HTML5,Acessibility
1. Count Pairs
Easy
0/40
Asked in companies
Given an array of integers ‘A’, and an integer ‘K’ find the number of happy elements.
Element ‘X’ is happy if there exists at least 1 element whose difference is less than ‘K’ i.e. an element ‘X’ is happy if there is another element in the range [X-K, X+K] other than ‘X’ itself.
For Example:
If N=3 and K=1 and array elements are [1,2,5].
For A[0], A[1] is the element that lies in the range [0,2] so, A[0] is the happy element.
For A[1], A[0] is the element that lies in the range [1,3] so, A[1] is the happy element.
For A[2], there is no element that lies in the range [4,6] other than A[2] so, A[2] is not the happy element.
Hence, the output will be 2.
Problem approach
traverse each element and check if there’s another number in the array which can be added to it to give sum.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is 3 + 2 * 4 based on operator precedence?
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