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Engineer’s Codex

Engineer's Codex

Real-world software engineering explained simply.

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Substack
PricingOnly free issuesPublishesWeekly
Issues30Founded3 years agoLast Issue19 days ago
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Latest Issues

Tokenmaxxing, Promomaxxing, and Misaligned Incentives in Tech

Engineer’s Codex is a publication about real-world software engineering.

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Coinbase did layoffs recently. They’re cutting a large percent of their employees, and along with the announcement, they mentioned wanting their...

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What every dev should know about AI sandboxes

Engineer’s Codex is a publication about practical real-world engineering.

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Sandboxes have been around for a while, but AI has made them one of the most important primitives of the “agent era.”

Sandboxing isn’t new. Br...

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Diving into Claude Code's Source Code Leak

Engineer’s Codex is a publication about real-world software engineering.

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On March 31, 2026, Anthropic accidentally shipped a .map sourcemap file inside a Claude Code npm update. In minutes, this was found and was go...

2 months ago
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Everyone is a Staff Engineer Now

Engineer’s Codex is a newsletter about real-world engineering. I know I haven’t posted in a while! The last issue was How to Write “Garbage Code” (by Linus Torvalds).


Claude Code and other coding agents this year have taken a massiv...

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How to Write "Garbage Code" (by Linus Torvalds)

Engineer’s Codex is a newsletter about becoming a better engineer and clearer thinker through timeless engineering ideas.

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Recently, Linus Torvalds, the creator of Git and Linux, berated a Meta engineer on a PR they ma...

8 months ago
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