Professional networking platform with rich data and ML-driven recommendations.
4 Rounds
~21 Days
Hard
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
•
System Design
•
hard
How would you design a recommendation system for LinkedIn Learning courses?
#Recommender Systems
#Collaborative Filtering
#Cold Start
Data Scientist
•
System Design
•
hard
At a high level, how would you design the ranking algorithm for the LinkedIn Feed?
#Ranking
#Machine Learning Architecture
#Personalization
Data Scientist
•
System Design
•
hard
Design the data pipeline and telemetry required to support LinkedIn's 'Who Viewed Your Profile' feature.
#Data Engineering
#Streaming
#Batch Processing
Data Scientist
•
System Design
•
hard
How would you design an experimentation platform that accounts for bipartite network interference between job seekers and recruiters?
#Experimentation Architecture
#Bipartite Networks
#Marketplaces
Data Scientist
•
System Design
•
hard
Design the architecture and metrics for a real-time 'Trending News' module on the LinkedIn homepage.
#Real-time Systems
#NLP
#Ranking
Data Scientist
•
System Design
•
hard
How would you scale the 'People You May Know' graph algorithm to efficiently compute recommendations for 800M+ users daily?
#Big Data
#Graph Processing
#Scalability
Data Scientist
•
System Design
•
hard
Design an automated anomaly detection system to track and alert on data quality issues in the core user profile database.
#Data Quality
#Anomaly Detection
#Monitoring
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.