--- title: "Justin Pennington (@justinpennington) | Hashnode" description: "Founder of Infraxio | Business systems, software, and operations. Read the latest articles by Justin Pennington on Hashnode." url: "https://hashnode.com/@justinpennington" --- @justinpennington # Justin Pennington @justinpennington · Ponte Vedra, Florida · Joined September 2026 Founder of Infraxio | Business systems, software, and operations [Website](https://www.infraxio.com/) ### [Stop Building Dashboards Nobody Opens: Design Exception Routing Instead](https://justinpennington.hashnode.dev/stop-building-dashboards-nobody-opens-design-exception-routing-instead?utm_source=hashnode&utm_medium=feed) A three-field spec (condition, owner, next action) for operations software that tells the right person when something goes wrong 5 min read · [justinpennington.hashnode.dev](https://justinpennington.hashnode.dev/stop-building-dashboards-nobody-opens-design-exception-routing-instead?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/stop-building-dashboards-nobody-opens-design-exception-routing-instead/6af49b8cd5950f5eaaa315bb) [10h ago](https://hashnode.com/posts/stop-building-dashboards-nobody-opens-design-exception-routing-instead/6af49b8cd5950f5eaaa315bb) ### [Ask Every AI Vendor This: Can I Undo Exactly What the Agent Did?](https://justinpennington.hashnode.dev/ask-every-ai-vendor-this-can-i-undo-exactly-what-the-agent-did?utm_source=hashnode&utm_medium=feed) Dropbox's conversation-scoped undo is the feature operators should demand before giving any agent write access 4 min read · [justinpennington.hashnode.dev](https://justinpennington.hashnode.dev/ask-every-ai-vendor-this-can-i-undo-exactly-what-the-agent-did?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/ask-every-ai-vendor-this-can-i-undo-exactly-what-the-agent-did/6aecb2b9526d189025f735a5) [6d ago](https://hashnode.com/posts/ask-every-ai-vendor-this-can-i-undo-exactly-what-the-agent-did/6aecb2b9526d189025f735a5) ### [Fifteen Logins Is Not a System: A Four-Question Audit for What Your Team Should Own](https://justinpennington.hashnode.dev/fifteen-logins-is-not-a-system-a-four-question-audit-for-what-your-team-should-own?utm_source=hashnode&utm_medium=feed) How to separate the core of your stack from the commodity edges, and why the core is the part you can't afford to rent 5 min read · [justinpennington.hashnode.dev](https://justinpennington.hashnode.dev/fifteen-logins-is-not-a-system-a-four-question-audit-for-what-your-team-should-own?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/fifteen-logins-is-not-a-system-a-four-question-audit-for-what-your-team-should-own/6ae4bafd3eee078f44077bed) [Oct 30](https://hashnode.com/posts/fifteen-logins-is-not-a-system-a-four-question-audit-for-what-your-team-should-own/6ae4bafd3eee078f44077bed) ### [Your Test Environment Is Lying to You: Build Operations Software for the Dock, Not the Desk](https://justinpennington.hashnode.dev/your-test-environment-is-lying-to-you-build-operations-software-for-the-dock-not-the-desk?utm_source=hashnode&utm_medium=feed) Why field and logistics tools fail on context, not features, and a five-step checklist for shipping software that works where the work happens 5 min read · [justinpennington.hashnode.dev](https://justinpennington.hashnode.dev/your-test-environment-is-lying-to-you-build-operations-software-for-the-dock-not-the-desk?utm_source=hashnode&utm_medium=feed) [Oct 26](https://hashnode.com/posts/your-test-environment-is-lying-to-you-build-operations-software-for-the-dock-not-the-desk/6adf766833231dfd04795148) ### [The Founder Who Still Ships: What Staying in the Codebase Buys a Small Software Team](https://justinpennington.hashnode.dev/the-founder-who-still-ships-what-staying-in-the-codebase-buys-a-small-software-team?utm_source=hashnode&utm_medium=feed) Why I still write code every week as a founder, what it costs, and the rules that keep it from becoming a hiding place 4 min read · [justinpennington.hashnode.dev](https://justinpennington.hashnode.dev/the-founder-who-still-ships-what-staying-in-the-codebase-buys-a-small-software-team?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/the-founder-who-still-ships-what-staying-in-the-codebase-buys-a-small-software-team/6ad78afb83a7c9c931c77b7d) [Oct 20](https://hashnode.com/posts/the-founder-who-still-ships-what-staying-in-the-codebase-buys-a-small-software-team/6ad78afb83a7c9c931c77b7d)