Technology

The Databricks Data Engineer

by Jakub Lasak

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Latest episodes

Unity Catalog Can't Manufacture Trust: Your Most-Read Databricks Table Might Be the Least Trusted

October 19, 2026 · 12 min

The rollout is done. Every production table migrated to Unity Catalog, every one owned by a team group, and the revenue table carries a certified check mark. The platform lead posts in Slack: fully governed. Monday morning, finance replies…
Your Databricks director: what they fear, why they fund the duller proposal, what gets yours through

October 12, 2026 · 12 min

Two proposals sit on a head of data's desk, both about the nightly pipeline that feeds the finance dashboard. One swaps the full reload for incremental loads with Auto Loader: it finishes in a fraction of the time and it's cheaper every…
Data skew is a checkout line - how to unjam Databricks jobs without bigger clusters

October 5, 2026 · 12 min

Your nightly Databricks job ran long, so you open the Spark UI. Two hundred tasks. One hundred ninety-nine finished in about a minute. One is still running, and it's been running for forty. You double the cluster and rerun it. Same forty…
Can You Reach Senior Databricks Engineer Without Ever Leading an Architecture Review?

September 28, 2026 · 11 min

Sam is four years into a Databricks role, up for senior this cycle. Merged pull requests on the ingestion layer. The nightly job he rescued at three in the morning when the orders table stopped landing. Then his manager asks for one call…
Why Databricks serverless exists, and which of your jobs should stay on classic clusters

September 21, 2026 · 12 min

Open the workspace. Start a cluster. Get coffee. Come back, and sometimes it's ready. If you've been doing this a few years you can feel that wait in your shoulders, and it's the least interesting part of the story. Before any of it, you…

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How Databricks engineers lose the final round (and the 4 places it happens)

September 14, 2026 · 11 min

You cleared the recruiter screen. You cleared the Databricks technical round, and cleared it well. Then the final round, then the email that says strong candidate, tough decision. You go back looking for the mistake and there isn't one…
The real reason your Databricks week never got simpler - it isn't the lakehouse

September 7, 2026 · 12 min

Your org finished the migration. Two systems became one. The nightly copy nobody wanted to own is gone, and so is the quarterly meeting where finance and the data science team each showed up with a real revenue number from tables in…
The Databricks incident where the most senior engineer never touched the keyboard

August 31, 2026 · 12 min

Thursday, just after two in the afternoon. The first message doesn't come from an alert, it comes from a person in revenue operations: the biggest region jumped overnight and nobody sold anything new. Nobody answers. The engineer who owns…
9 Databricks decisions that reveal your real seniority (and one that only looks senior)

August 24, 2026 · 12 min

Three in the morning. The nightly job that loads the orders table died halfway. Half the tasks are green, and the rerun button is right there. What you do in the next ten seconds says more about your level than anything on your…
The Databricks job market in 2026: there are two of them, and only one answers

August 17, 2026 · 11 min

One engineer tells you hiring is back and recruiters are warm again. The next one is sixty applications deep and hearing nothing. Same month, same platform, sometimes the same city. That sounds like noise. It isn't. It's a split, and what…
Databricks broadcast joins: when the memo beats the meeting (and when it kills a task)

August 10, 2026 · 11 min

Two engineers on the same team join the same big orders table to the same small lookup table. Same cluster, same data, one line of code different. Sarah's finishes in the time it takes to get a coffee. Mike's dies, and the error isn't…
Build the platform or use the platform: the two Databricks data engineer tracks nobody names

August 4, 2026 · 12 min

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…

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About the show

Short episodes on the Databricks skills that get data engineers hired and promoted. One theme per episode, built for a commute: how senior engineers make the calls, what interviews actually test, and the career moves that change your level. By Jakub, a Databricks Data Engineer (ex-Uber).