Netflix
Streaming platform with a data-driven culture and freedom & responsibility ethos.
3 Rounds
~14 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
•
Technical
•
hard
You are joining a massive fact table of viewing history (billions of rows) with a dimension table of user profiles. The user profile table is highly skewed because a few default profiles have millions of hits. How do you optimize this Apache Spark job?
#Apache Spark
#Data Skew
#Broadcast Joins
#Salting
Data Engineer
•
Technical
•
easy
Explain the difference between repartition() and coalesce() in Apache Spark. If you are writing final output data to S3 to be queried by Athena, which would you use and why?
#Apache Spark
#Shuffling
#Small Files Problem
#AWS S3
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Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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