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

Full Stack Engineer System Design hard

Design the LinkedIn News Feed.

#Architecture #Scalability #Databases #Caching
Full Stack Engineer System Design hard

Design the 'People You May Know' (PYMK) recommendation system.

#Graph Processing #Batch Processing #Machine Learning Infrastructure
Full Stack Engineer System Design hard

Design LinkedIn Messaging. It needs to support 1-on-1 and group chats with real-time updates.

#WebSockets #Real-time #Databases #Microservices
Full Stack Engineer System Design medium

Design a system to track and display 'Who viewed your profile' in real-time.

#Stream Processing #Caching #Aggregation #Kafka
Full Stack Engineer System Design hard

Design the LinkedIn Job Search system.

#Search Engines #Elasticsearch #Microservices
Full Stack Engineer System Design medium

Design the LinkedIn Endorsement system, where users can endorse connections for specific skills.

#Databases #API Design #Scalability
Full Stack Engineer System Design medium

Design a rate limiter for the LinkedIn Connections API to prevent scraping.

#Security #Distributed Systems #Algorithms

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