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
Data Scientist
•
Coding
•
medium
Write a SQL query to find the top 3 most streamed songs per country in the last 30 days.
#Window Functions
#Aggregations
Data Scientist
•
Coding
•
hard
Given a table of user play events, write a query to calculate the average session length. A session ends after 30 minutes of inactivity.
#Sessionization
#Window Functions
#Advanced SQL
Data Scientist
•
Coding
•
medium
Write a SQL query to find the 7-day rolling average of daily streams for a specific artist.
#Window Functions
#Time Series
Data Scientist
•
Coding
•
hard
Write a query to identify users who listened to the exact same sequence of 5 songs.
#String Aggregation
#Window Functions
#Self Joins
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.