
Real-world software engineering explained simply.
| Platform | Pricing | Only free issues | Publishes | Weekly | |
|---|---|---|---|---|---|
| Issues | 30 | Founded | 3 years ago | Last Issue | 19 days ago |
| Active | |||||

Engineer’s Codex is a publication about real-world software engineering.
Subscribe now
Coinbase did layoffs recently. They’re cutting a large percent of their employees, and along with the announcement, they mentioned wanting their...
Engineer’s Codex is a publication about practical real-world engineering.
Subscribe now
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...
Engineer’s Codex is a publication about real-world software engineering.
Subscribe now
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...
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...
Engineer’s Codex is a newsletter about becoming a better engineer and clearer thinker through timeless engineering ideas.
Subscribe now
Recently, Linus Torvalds, the creator of Git and Linux, berated a Meta engineer on a PR they ma...
Subscribers, engagement, traffic and sponsorship for Engineer’s Codex.
| Subscribers | Engagement | 76 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Where Engineer’s Codex ranks on Google, and how much search traffic it brings in.
| Ranked Keywords | 354 | Monthly Search Traffic | Top Keywords |
|---|
How this newsletter ranks in the official Substack charts.
| #232 |
The writers behind this newsletter.
Become a better software engineer through focusing on the little details.
You can find recent issues that have been published by Engineer’s Codex on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
To see how many people subscribe to Engineer’s Codex, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
Newsletter advertising can be extremely effective when it's done right. Before you pitch Engineer’s Codex as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Engineer’s Codex using the contact information provided and ask for a copy of their media kit.
Scroll up to where it says Related Newsletters to see other publications like Engineer’s Codex. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.