LinkedIn

LinkedIn

Professional networking platform with rich data and ML-driven recommendations.

4 Rounds ~21 Days Hard
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The Interview Loop

Recruiter Screen (30 min)

Standard fit check, behavioral questions, and resume overview.

Technical Loop (3-4 Rounds)

Deep dive into domain knowledge, coding, and system design.

Interview Question Bank

Data Scientist Coding easy

Write a Python function to compute the Jaccard similarity between two users based on their listed skills.

#Python #Set Operations #Math
Data Scientist Coding medium

Given an adjacency list representing LinkedIn connections, write a function to find the shortest path (degrees of separation) between two users.

#Graphs #BFS #Python
Data Scientist Coding medium

Write a Python script to parse a log file of user events and return the most frequent sequence of 3 pages visited before a job application.

#Data Manipulation #Sliding Window #Hashing
Data Scientist Coding hard

Implement a K-Means clustering algorithm from scratch in Python to group similar job postings.

#Machine Learning from Scratch #Linear Algebra #Python
Data Scientist Coding easy

Given an array of daily active users for the past year, find the longest contiguous subarray where the DAU is strictly increasing.

#Arrays #Dynamic Programming #Python

Difficulty Radar

Based on recent AI-sourced data.

Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

Simulate

Unwritten Rules

Think Out Loud

Always explain your thought process before writing code or drawing architecture.

Practice Now