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The Databricks Data Engineer

Jakub Lasak

Advance to senior Databricks Data Engineer: interview like seniors, execute like seniors, think like seniors

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Substack
PricingFreemiumPublishesDaily
Issues101Founded9 months agoLast Issue6 days ago
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Artwork for The Databricks Data Engineer

Latest Issues

9 Data Modeling Questions That Win $200k Databricks Offers

Two engineers get the same take-home: model a retail analytics layer from a stream of order events. The first normalizes everything to third normal form, proud of a clean schema with zero redundancy. The second asks one question before writ...

6 days ago
5

Build the platform or use the platform: the two Databricks data engineer tracks nobody names

Two Databricks engineers sit at adjacent desks. Same title, same pay, same words in the ladder document. Watch a year go by, and they are not doing the same job.

Both get rated strong. Both get told they're ready for more scope. Nobody say...

8 days ago

How Senior Engineers Actually Choose DLT vs Workflows

Every Databricks team eventually has the DLT versus Workflows argument. Someone wants to rebuild the whole platform on Delta Live Tables because it is the modern, declarative way. Someone else wants to keep everything in Workflows because t...

9 days ago
5

What Actually Happens When You Cache a DataFrame

It is lazy, shared, and can be evicted mid-query

Every engineer reaches for cache() when a job runs slow. Most of them make it slower, or change nothing at all, and never find out which.

13 days ago
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10 Cost Questions Every Senior Databricks Engineer Should Nail

Five years ago, cluster spend was the platform team’s problem. Now it’s yours.

Somewhere between the first FinOps mandate and the last all-hands about the cloud bill, cost ownership became part of the senior Databricks bar. Interviewers no...

16 days ago
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  • Jakub Lasak

    Helping 18k+ Databricks data engineers become seniors: interview like seniors, execute like seniors, think like seniors

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