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

4 Rounds ~21 Days Hard

Start Mock Interview

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

All Roles Cloud Engineer 5 Data Engineer 8 Data Scientist 5 DevOps Engineer 3 Frontend Engineer 7 Full Stack Engineer 12 Machine Learning Engineer 10 Software Engineer 28

All Topics Algorithms 12 System Design 7 Front-end 6 Culture Fit 4 SQL 2 Backend 1 Leadership 1 Architecture 1

Full Stack Engineer • Coding • medium

Design and implement an LRU Cache to store recently viewed LinkedIn profiles.

#Data Structures #Linked List #Hash Map

Practice

Full Stack Engineer • Coding • hard

Given a stream of job postings, design a class to efficiently find the top K most frequently required skills.

#Heap #Hash Map #Streaming Data

Practice

Full Stack Engineer • Coding • medium

Given a graph of LinkedIn users, write a function to find the shortest path (degrees of separation) between two users.

#Graph #BFS #Data Structures

Practice

Full Stack Engineer • Coding • medium

Given a list of a user's job experiences represented as time intervals, merge all overlapping intervals to find their total actual time employed.

#Arrays #Sorting #Intervals

Practice

Full Stack Engineer • Coding • hard

Given a string representing a user's profile summary, write a function to justify the text (Left, Right, or Center) to fit within a specific column width.

#Strings #Formatting #Edge Cases

Practice

Full Stack Engineer • Coding • medium

Find the Lowest Common Manager (LCA) for two employees in the LinkedIn org chart.

#Trees #DFS #Recursion

Practice

Full Stack Engineer • Coding • medium

Implement a Trie data structure to support typeahead suggestions for LinkedIn connections.

#Trie #Strings #Design

Practice

Full Stack Engineer • Coding • medium

Write a function to flatten a deeply nested JSON object representing a LinkedIn user's full data export.

#Recursion #JSON #Object Manipulation

Practice

Full Stack Engineer • Coding • medium

Given a matrix representing a network grid, find the number of isolated connection clusters (Number of Islands).

#Graph #DFS #BFS

Practice

Full Stack Engineer • Coding • easy

Given an array of integers representing daily profile views, find the maximum subarray sum (highest engagement period).

#Arrays #Dynamic Programming

Practice

Full Stack Engineer • Coding • medium

Write a function to determine if two users are exactly 3 degrees of separation apart.

#Graph #BFS #Search

Practice

Full Stack Engineer • Coding • hard

Given a list of connections and their skills, write an algorithm to recommend 5 new skills to a user based on what their connections have.

#Hash Map #Sorting #Recommendation Systems

Practice

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