LinkedIn [SSE] [Systems Infra] [Ghosted]
Summary
I interviewed for a Staff Software Engineer, Systems Infrastructure role at LinkedIn, progressing through multiple rounds including OA, screening, coding assessments, system design, and hiring manager interviews. After three weeks without an HR response, I consider it a rejection.
Full Experience
OA - 2 or 3 Med/Hard problems. Couldn't remember
Screening :
Some OS & Java fundamentals and 2 DSA :
- Similar to : https://leetcode.com/problems/bulb-switcher/description/
- Given list of words and a phoneNo. return the words which can be formed using given phoneNo. Pretty standard one.
CA1 :
- Exactly : https://leetcode.com/problems/all-oone-data-structure/description/
- Similar to https://algo.monster/liteproblems/366 . But it was N-ary tree instead of Binary tree.
CA2 :
- No of Island problem. Little twisted.
- Celebrity Problem
Design :
Design Metrics aggregation System
HM :
Past experiences mostly and behavioral questions.
Been more than 3 weeks and not getting any response from HR. So I consider it as a Reject.
Interview Questions (8)
Bulb Switcher (Similar)
Words from Phone Number (T9)
Given a list of words and a phone number, return the words that can be formed using the digits of the given phone number (like T9 prediction).
All O(1) Data Structure
Exactly LeetCode's All O(1) Data Structure problem.
Find Leaves of N-ary Tree (Similar to Binary Tree Version)
A problem similar to AlgoMonster's 'Find Leaves of Binary Tree' (problem 366), but adapted for an N-ary tree.
Number of Islands (Twisted)
A slightly twisted version of the classic 'Number of Islands' problem.
Celebrity Problem
The classic Celebrity Problem.
Design Metrics Aggregation System
Design a system for aggregating metrics.
Behavioral Questions and Past Experiences
Questions related to past experiences and general behavioral aspects.