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Engineering writing
The same articles published here, with every claim traced to a named source
Working notes
What we learned building our own tools, including the approaches that failed
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We tell subscribers when a tool ships or changes before we announce it anywhere else
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What a recent issue looks like
The newsletter is the writing on this site. These are the six most recent pieces — read them before you decide whether you want them in your inbox.
Industry Insights
Answer Engine Optimization: Getting Cited by ChatGPT
90% of ChatGPT citations come from pages outside Google's top 20. Ranking and being cited have come apart, and the content that wins each is different. What actually earns a citation.
August 11, 2026 · 3 min read
Engineering
What Is Technical Debt?
Technical debt is the future cost of a shortcut taken now. The metaphor is precise about one thing most teams get wrong: debt is only a problem when you stop servicing the interest.
August 10, 2026 · 2 min read
Engineering
Learning Paths for Engineers in the Agentic Era
When 41% of code is machine-written, the skills that compound are not the ones most training still teaches. What to prioritise, what quietly lost value, and how to build a path that survives the next model release.
August 10, 2026 · 3 min read
Backend Development
How to Design a Postgres Schema for a Marketplace App (2026)
A step-by-step guide to modelling buyers, sellers, listings, orders and payments in Postgres, with the constraints and indexes that keep it correct under load.
August 10, 2026 · 4 min read
Engineering
What Is an Architecture Decision Record (ADR)? A Practical Guide
An ADR is a short document capturing one architectural decision, its context and its consequences. Here is the format, when to write one, and what makes them fail.
August 10, 2026 · 4 min read
Engineering
How to Write a PRD Engineers Can Actually Build From
Most PRDs fail because they describe a solution instead of a problem, and leave the ambiguity for engineers to discover mid-sprint. Here is a format that does not.
August 10, 2026 · 4 min read
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