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Interview Like Seniors

10 Interview Questions for Senior Databricks Data Engineer Roles ($180-220k)
Where Technical Skills Meet Leadership Thinking
 • Jakub Lasak
10 Interview Questions for Junior Databricks Data Engineer Roles ($80-100k)
The Fundamentals That Get You Hired
 • Jakub Lasak
The Databricks Hiring Manager's Guide: Why Certifications Don't Matter
The 3 specific signals that separate senior engineers from the stack of 100 identical resumes.
 • Jakub Lasak
Partition Pruning vs Data Skipping: A Databricks Interview Deep Dive
How Spark's optimization layers work at directory, file, and row levels - and why understanding the difference wins offers
 • Jakub Lasak
Databricks Data Engineer Interview: Answering the Project Failure Question
The ownership framework that transforms a deflective answer into a $200k+ offer-winning response with quantified impact
 • Jakub Lasak
10 Spark Performance Questions for $180k+ Databricks Data Engineer Roles
The Offer-Winning Answer Guide
 • Jakub Lasak
10 Popular Interview Questions for Mid-Level Databricks Data Engineer Roles ($120-150k)
Where "I Know The Syntax" Stops Working
 • Jakub Lasak
Databricks CDC Interview: The 200GB/Day Pipeline with SCD Type 2
Why custom MERGE logic is the trap, and how AUTO CDC + Liquid Clustering is the senior answer that wins FAANG offers
 • Jakub Lasak
Databricks Data Engineer Interview: Explain Lazy Evaluation
Why knowing just “transformations don’t execute immediately” won’t cut it - and how Catalyst’s logical plans and pushdown optimizations make all the…
 • Jakub Lasak
Databricks Data Engineer Interview: A Broadcast Join Case Study
Why a 50MB table can cause a driver OOM crash, and how concurrency is the real culprit.
 • Jakub Lasak
10 Delta Lake Questions for $150k+ Databricks Data Engineer Roles
The Offer-Winning Answer Guide
 • Jakub Lasak
Cracking the Databricks System Design Interview: The 2TB Challenge
The architectural thinking pattern that turns a basic pipeline answer into a staff-level response - with real numbers and governance included
 • Jakub Lasak
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