HeyJaredThe Engineering Wisdom
I break down architecture decisions, AI-assisted development, and the real-world engineering wisdom they don't teach in tutorials. This isn't beginner content. It's for working engineers who want depth, perspective, and clarity.
- Indexed issues, last 90 days
- 15
- Latest publication
- Sep 30, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 22, 2026
Latest issues
Good Leadership Isn't a Personality. It's a Pattern You Can Point To. (opens the original)
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<img alt="a swarm of 6 birds" class="sizing-normal" height="480" src="https://substackcdn.com/image/fetch/$s_!jaLd!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb26ac950-0d40-47cd-9f86-f46b4fd9
What Happens When Your AI's Phone Line Drops Mid-Sentence (And Why It's Harder Than It Sounds) (opens the original)
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Rosa’s stand mixer seized halfway through Saturday’s dough batch, both of Marcus’s hands buried wrist-deep in wet dough, flour dusted across the counter like a light snowfall. He propped his phone against the flour bin and tried to type into the shop’s maintenance chatbot one-handed: “MIXER 2 JAMMED NEED TECH.”The Engineering Wisdom is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.
The $0.04 AI That’s 200x Faster Than Modern Chatbots (Jev) (opens the original)
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There’s a brand-new AI that is physically incapable of writing you a sentence. On purpose. And developers are obsessed with it.Two days ago, an ex-OpenAI researcher shipped an AI that refuses to talk. Here’s why that might matter more than the next chatbot.The Engineering Wisdom is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.</div
Tool vs Skill vs Agent - Stop Nodding Along in AI Meetings (opens the original)
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Your engineer says: “I gave the agent a tool, it triggered a skill, which kicked off a sub-agent, which looped three times before calling MCP.”And your PM just… smiles. And nods. And writes “ok cool 👍” in Slack.If that’s you — or if that’s your PM — this video is the cure. No CS degree required. By the end of this, you will understand every word your AI engineers throw around, and you’ll be able to challenge them in a meeting. Let’s go.<div class="subscription-widget show-
The Bug That Only Shows Up in Production CI: return vs yield in pytest Fixtures (opens the original)
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It’s 11pm. The PR has been approved. CI is green on your laptop. You push, grab a coffee, and watch the pipeline go red. Every test in the file fails with the same message: Expected “send_email” to have been called once. Called 0 times.You stare at the screen. You ran these exact tests thirty seconds ago. Green. You check the diff. Nothing changed. You restart the runner. Still red.Your coffee goes cold. The standup is in nine hours.Welcome to one of Python’s
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