KooApp.com | Backend Engineer | Bangalore | Feb 2023 | Reject

Anonymous User
538

Status: 1.5 YoE, MS CS Top 5 CS school
Position: SE at Cisco
TC: 19.5L base + stocks + 5% bonus = ~25L CTC
Date: January 30, 2023

Round 1 (Interview with a 2 YoE developer - non CS Background):

  • Question on DNS resolution, Designing databases for a problem, Bloom filters and other hashing techniques
  • Simple two pointers algorithm on a sorted array

Round 2 (Hiring Manager - 5 YoE only):

  • Design some database for session authentication - Netflix type - Many devices logged in , option to log out currently logged devices or log out from all devices
  • Project related questions and ways to improve

Round 3 (HR - Informal kind ended in 15 minutes)

  • How soon you can join?
  • Why are you leaving current org?
  • Come to our office and we will meet everyone.

Round 4 (VP of Engineering)

  • Asked to design a Trie and explain time and space complexity.
  • The question was if I type a phone number, it should complete the remaining digits.
  • Talked about projects and other system design stuffs

Overall the interview was good and I liked the questions that they asked. It was fun to answer them. Received a reject after couple of days without any feedback (I didn't ask either). Around the same time, Amazon, Google and Meta layoffs happened. So, it could be that. But I enjoyed the questions.

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