Learn how to use AI at its exponential with Anthropic's Head of Platform Engineering

In the Blink of AI is made possible by our wonderful partners: Deel Founders scale faster on Deel. Set up payroll for any country in minutes, hire anyone anywhere, and get visas handled fast, so you stay focused on scaling. Deel takes care of onboarding, HR, IT, EOR, benefits, and compliance, so your team can grow without borders. It’s why more than 40,000 fast-growing companies trust Deel to move fast. Visit https://www.deel.com/dayone Episode Summary When Katelyn Lesse was leading engineering at Stripe, she noticed everything around her shifting because of AI. So she left, and joined Anthropic. Today she leads platform engineering at one of the most important AI companies in the world, which is why we were so thrilled to host her for Anthropic's first ever interview in Sydney. Katelyn does not lead with technical jargon. She leads with a question every builder needs to sit with right now. Are you building on the exponential, or are you stuck on the linear? Most people, she says, are already further behind than they realise. In this episode she shares the exact framework she uses to think about building in the AI era, why your frustrations with Claude are actually signals you are onto something, and what it really means to be AGI pilled inside Anthropic. Time Stamps 00:00 Intro 02:53 AI Hack: Using Claude to Pick Wine 03:42 Katelyn's Background and Path to Anthropic 05:32 Why She Left Stripe to Join Anthropic 11:22 What Building on the Exponential Means 11:48 Why Australia Is a Top AI Market 13:05 Is the Claude Obsession Healthy? 15:20 The Framework for Building AI Products 16:38 Why Evals Are Non-Negotiable 18:18 Inside Anthropic's Developer Platform 20:11 What Is Harness Engineering? 25:13 AI Security, Sandboxes and Human in the Loop 29:09 Cloud Managed Agents Explained 31:56 Open Source MCP vs Closed Claude 33:48 How AI Is Changing Engineering Teams 36:24 How to Choose the Right AI Coding Tool 39:12 The End of the Traditional Tech Team 44:30 The AI Magic Moment Everyone Remembers 45:30 What It Means to Be AGI Pilled 47:21 Rapid Fire With Anthropic 49:56 Advice for Developers Building With AI ✨ Connect with Georgie Healy Weekly Substack: https://georgiehealy.substack.com/ Linkedin:   / georginahealy   Instagram:   / georginahealytech   The Day One Network In The Blink of AI is part of Day One, the podcast network dedicated to founders, operators & investors. Sign up to get your weekly insights into the up-and-coming AI startups: https://dayone.fm/newsletter Follow our socials Linkedin:   / dayonefm   Instagram:   / dayone.fm   TikTok:   / dayone.fm