DataExpert.io Newsletter

Junior data engineers build pipelines. Seniors build trust

Stop architecting. Start talking.

Jun 30 • Sahar Massachi and Zach Wilson

77

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May 2026

A well-architected secretary is 76 agents in a trenchcoat

Beyond “take meeting notes I’ll never read”

May 11 • Sahar Massachi and Zach Wilson

23

3

April 2026

The New Rules of Behavioral Interviews after AI

Our behavior needs to update faster than our tech

Apr 28 • Zach Wilson and Prasad Rao

44

3

How do One Big Table and AI fit together

One Big Table vs Dimensional modeling in the era of AI

Apr 6 • Zach Wilson

61

5

March 2026

Understanding Parquet Format for beginners

A walk through of the most important file format to ever exist

Mar 3 • Zach Wilson

95

3

7

February 2026

Databricks is no longer about tuning knobs

Business is all that matters

Feb 24 • Zach Wilson

85

17

7

The 2026 AI Data Engineer Roadmap

And how to avoid getting replaced

Feb 5 • Zach Wilson

206

6

22

December 2025

Processing 1 TB with DuckDB in less than 30 seconds

And so can you

Dec 23, 2025 • Matt Martin and Zach Wilson

143

9

13

November 2025

Data security shouldn't be an afterthought

A practical guide for Data Engineers

Nov 26, 2025 • Zach Wilson and Karan Dwivedi

47

2

10

SCD-2 considered harmful! Part 2

Date stamp your data!

Nov 4, 2025 • Sahar Massachi and Zach Wilson

111

30

9

October 2025

The Data Warehouse Setup No One Taught You

Storage is cheap. Your time is not.

Oct 24, 2025 • Sahar Massachi and Zach Wilson

376

35

46

The 2025 AI + Data Engineering Roadmap

Getting a data engineering job is complicated.

Oct 17, 2025 • Zach Wilson

207

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