Spotify
Music streaming platform using ML for personalization and recommendation.
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
Machine Learning Engineer
•
System Design
•
hard
Design the architecture for Spotify's Discover Weekly playlist. How would you generate 30 personalized tracks for millions of users every Monday?
#Recommendation Systems
#Batch Processing
#Scalability
#Collaborative Filtering
Machine Learning Engineer
•
System Design
•
hard
Design a podcast recommendation engine. How does this differ from recommending music?
#Recommendation Systems
#NLP
#User Intent
Machine Learning Engineer
•
System Design
•
hard
Design Spotify's search autocomplete system. It needs to be highly responsive and handle typos.
#Search
#Tries
#Distributed Systems
#Caching
Machine Learning Engineer
•
System Design
•
hard
Design a system to detect copyright infringement in newly uploaded podcasts in near real-time.
#Audio Processing
#Streaming Architecture
#Hashing
Machine Learning Engineer
•
System Design
•
hard
Design an ad-targeting system for Spotify's free tier users that maximizes revenue while minimizing user churn.
#Ad Tech
#Prediction Models
#Optimization
Machine Learning Engineer
•
System Design
•
hard
Design a real-time recommendation system for a 'Listening Party' feature (like Spotify Jams) where multiple users listen together.
#Real-time Systems
#Group Recommendation
#Concurrency
Machine Learning Engineer
•
System Design
•
medium
Design a scalable system to compute and update weekly artist charts (Top 50) globally and per country.
#Data Engineering
#Stream Processing
#Aggregation
Machine Learning Engineer
•
System Design
•
hard
Design a system to generate personalized 'Year in Review' (Spotify Wrapped) stats for hundreds of millions of users.
#Batch Processing
#Data Warehousing
#Scalability
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.