Databricks
Unified analytics platform built on Apache Spark for data engineering and ML.
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
•
Technical
•
medium
Explain how Delta Lake implements ACID transactions on top of cloud object storage. How do the transaction log and checkpointing work?
#Delta Lake
#ACID
#Parquet
#Transaction Log
#Concurrency
Data Engineer
•
Technical
•
medium
Compare and contrast Z-Ordering and standard partitioning in Delta Lake. When would you use one over the other?
#Z-Ordering
#Partitioning
#Data Skipping
#Delta Lake
Data Engineer
•
Technical
•
medium
How do you handle schema evolution in a continuous ETL pipeline writing to Delta Lake? What happens if an upstream source drops a column or changes a data type?
#Schema Evolution
#Data Quality
#ETL
#Delta Lake
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.