{"version":1,"generatedAt":"2026-04-29T04:22:29.830Z","source":"https://ethancha.net","entries":[{"title":"ETHAN CHA","summary":"![Pixel art self portrait](@assets/cha_pixelart.svg)","url":"https://ethancha.net/content/readme","slug":["readme"],"category":null,"readingTimeMinutes":1,"updatedAt":"2018-10-20T01:46:40.000Z","keywords":["Ethan Cha","AI engineer","real estate","airbnb superhost","investor","machine learning","artificial intelligence","infrastructure","agentic workflows","RAG systems"]},{"title":"Building AI Infrastructure from First Principles","summary":"*A thought experiment in pragmatic ML platform design*","url":"https://ethancha.net/content/thoughts/ai-infrastructure/readme","slug":["thoughts","ai-infrastructure","readme"],"category":"AI INFRASTRUCTURE","readingTimeMinutes":1,"updatedAt":"2018-10-20T01:46:40.000Z","keywords":["Ethan Cha","AI engineer","real estate","airbnb superhost","investor","machine learning","artificial intelligence","infrastructure","agentic workflows","RAG systems"]},{"title":"How to Build AI Infrastructure with One Engineer: A First-Principles Framework","summary":"**By Ethan Cha • Last Updated: November 2025**","url":"https://ethancha.net/content/thoughts/ai-infrastructure/pragmatic-ai-infrastructure-framework","slug":["thoughts","ai-infrastructure","pragmatic-ai-infrastructure-framework"],"category":"AI INFRASTRUCTURE","readingTimeMinutes":7,"updatedAt":"2018-10-20T01:46:40.000Z","keywords":["Ethan Cha","AI engineer","real estate","airbnb superhost","investor","machine learning","artificial intelligence","infrastructure","agentic workflows","RAG systems"]},{"title":"Building Debuggable AI Agent Systems: Primitives, Context, and Runtime","summary":"**By Ethan Cha • Last Updated: November 2025**","url":"https://ethancha.net/content/thoughts/ai-infrastructure/agentic-workflows","slug":["thoughts","ai-infrastructure","agentic-workflows"],"category":"AI INFRASTRUCTURE","readingTimeMinutes":6,"updatedAt":"2018-10-20T01:46:40.000Z","keywords":["Ethan Cha","AI engineer","real estate","airbnb superhost","investor","machine learning","artificial intelligence","infrastructure","agentic workflows","RAG systems"]},{"title":"Building RAG Infrastructure for 5-Minute Iteration Cycles","summary":"**By Ethan Cha • Last Updated: November 2025**","url":"https://ethancha.net/content/thoughts/ai-infrastructure/rag-infrastructure","slug":["thoughts","ai-infrastructure","rag-infrastructure"],"category":"AI INFRASTRUCTURE","readingTimeMinutes":7,"updatedAt":"2018-10-20T01:46:40.000Z","keywords":["Ethan Cha","AI engineer","real estate","airbnb superhost","investor","machine learning","artificial intelligence","infrastructure","agentic workflows","RAG systems"]},{"title":"Snowflake Summit 2023","summary":"![Snowflake Summit 2023](@assets/work/conference/snowflake_summit_2023.png)","url":"https://ethancha.net/content/work/conference/snowflake-summit","slug":["work","conference","snowflake-summit"],"category":"CONFERENCE","readingTimeMinutes":1,"updatedAt":"2018-10-20T01:46:40.000Z","keywords":["Ethan Cha","AI engineer","real estate","airbnb superhost","investor","machine learning","artificial intelligence","infrastructure","agentic workflows","RAG systems"]},{"title":"Moatup.com","summary":"I spent years not knowing what I was doing. Switched majors. Jumped industries. Kept asking myself if I'd ever find something that felt like *mine*. I still don't have a clean answer to that question, honestly.","url":"https://ethancha.net/content/work/moatup-com","slug":["work","moatup-com"],"category":"WORK","readingTimeMinutes":1,"updatedAt":"2018-10-20T01:46:40.000Z","keywords":["Ethan Cha","AI engineer","real estate","airbnb superhost","investor","machine learning","artificial intelligence","infrastructure","agentic workflows","RAG systems"]}]}