Airtel Interview Expertise for SDE (Intern+FTE) 2021


On-line Evaluation  – There have been a number of MCQs and a pair of coding questions.

  • I didn’t bear in mind the precise questions however each have been of easy-medium class.
  • Fortunately, I used to be in a position to remedy each of them and thus bought shortlisted for the following spherical.

Interview Spherical 1 – He launched himself and requested me for an introduction and some of my tasks (since I did a variety of stay tasks) and requested if there may be any URL or hyperlink for them. We had a dialogue round 20mins after which he proceeds to the coding half.

  • First, he requested me to design a linked listing with some primary operations (add a node, delete a node).
  • I advised him the method and code it inside a couple of minutes.
  • Then, he requested me to implement the stack through the use of the above designed LinkedList. (Push and Pop operation)
  • Adopted up, he requested me to implement a Queue utilizing that stack (enqueue and dequeue operations)
  • I advised him the O(n) method first after which he requested me to optimize that.
  • He was utterly glad by my solutions and we finish the interview on a contented notice. (60-minutes)
  • The interviewer was pleasant and a really form individual. I by no means really feel it like an interview, extra it seems like a dialogue.

Interview Spherical 2– Begins once more with some primary intro, adopted by a fast dialogue over my Tasks. He requested me about Occasion Loop in JS and the way JS works asynchronously.

Interview Spherical 3 – It was solely a 15-minutes HR spherical.  

  • He requested me about what I feel Airtel really works. 
  • Then, he sends me a hyperlink and gave me 5-min to undergo your entire article and inform him what I understood from that.

Verdict– After a number of days, I bought chosen.


  • Preserve your fundamentals very clear, both within the case of DS/Algo or with the Tech stacks you utilized in your tasks. They might be a game-changer any time.
  • Additionally, I wish to thank the GFG neighborhood, I bought benefited from it quite a bit and it’s my duty to present one thing again. I hope you guys loved studying this. Preserve religion in your skills, put together as arduous as you’ll be able to, hope for the perfect, good days are coming.  

Blissful Coding!!