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 Engineer
•
System Design
•
hard
Design a data pipeline to power the 'Who viewed your profile' feature. How do you handle the massive scale of profile views and ensure near real-time updates?
#Stream Processing
#Kafka
#Data Modeling
#Scalability
Data Engineer
•
System Design
•
hard
Design a real-time dashboard for LinkedIn Job Postings analytics that allows recruiters to see how many impressions, clicks, and applies their job posts received in the last 24 hours.
#OLAP
#Real-time Analytics
#Kafka
#Apache Pinot
Data Engineer
•
System Design
•
medium
How would you design a scalable ETL pipeline to sync relational data from MySQL (e.g., user profile updates) to a data lake (Hadoop/Iceberg) for offline analytics?
#Change Data Capture
#ETL
#Data Lake
#Apache Iceberg
Data Engineer
•
System Design
•
hard
Design a system to detect spam connection requests on LinkedIn in near real-time.
#Machine Learning Pipelines
#Stream Processing
#Feature Engineering
Data Engineer
•
System Design
•
medium
Design a data warehouse schema for LinkedIn Learning. We need to track user video consumption, course completions, and instructor payouts.
#Dimensional Modeling
#Star Schema
#Data Warehousing
Data Engineer
•
System Design
•
hard
Design a system to process and store LinkedIn Feed impressions to ensure we do not show the same post to a user more than twice in a 24-hour period.
#Caching
#Bloom Filters
#Stream Processing
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.