322 technical articles on Teradata, Snowflake, Databricks, SQL tuning and data warehouse architecture — written from production experience, not vendor decks.
Connecting two systems was once the work. It is now the part a machine can do. What remains is the part that was always the point. Some time ago, I argued that the market does not pay for tool lists. The argument has aged in an unexpected direction. It is no longer only the list …
Why capable data and platform engineers stay invisible, underpaid, and afraid to apply There is a quiet fear in the current technology job market. Many people who are entirely capable of doing the work do not apply for it. They read a job description, see ten tools listed, and fix their attention on the two …
A practical guide to spec-driven development — built around one real website, so you can follow along and try it yourself. If you have used an AI coding agent, you already know the feeling. You type “add a contact form to my page” and look at what comes back. It is a contact form — …
This is a story. The two men in it do not exist. Everything that happens to them does. Year One They had studied together, and so once a year or so they met at the same café near the old university, ordered the same coffee, and compared the shape of their careers. In the first …
Something is broken in how roles are advertised, and it is worth naming plainly, because most of you are blaming the wrong party for it. When you read a posting and feel that you do not qualify, the instinct is to assume the gap is in you. In most cases, the gap is in the …
If you have spent twenty years writing tests for data pipelines, you carry a mental model of what a passing test means. The input is fixed. The function is deterministic. The output is predictable. You assert that the output equals what you expect, the test passes or fails, and a passing test means the code …
“All models are wrong, but some are useful.”George Box A short note before the piece. Starting next week, this newsletter will run on a steady rhythm: a short, practical piece every Tuesday and a long, structural piece every Saturday. The Saturday issues keep building the year-long curriculum, the diagnosis, the role map, the path from …
“The illiterate of the 21st century will not be those who cannot read and write, but those who cannot learn, unlearn, and relearn.”Alvin Toffler Open any job board, scroll any LinkedIn feed, sit through any earnings call, and you will run into the same wave of new titles: AI engineer, AI developer, AI strategist, machine …
How to think about the choice when the standard path no longer reliably works. Foreword The path that worked through most of the previous decade — pick any reasonable engineering specialty, get hired into a junior role, learn the rest on the job — does not reliably work in 2026. The market has shifted. The …
Banks are cutting junior data engineers today. The bill comes due in 2035. The 2026 layoff numbers are real. Tens of thousands of tech workers lost their jobs in early 2026, with a disproportionate share hitting junior roles. The official narrative is that AI made these jobs redundant. That narrative is half true. The other …
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