Hi, I'm Noah Qin.

Class of 2027 Applicant. I build systems, products, and communities. From open-source developer tools and iOS apps to Cobay, I turn technical ideas into things people can use together.

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Technologies I work with

SwiftPythonJavaRustSQLPyTorchAstroSpring Boot

Featured Projects

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Project19 Releases

Vex

A fast, multi-language version manager for macOS. Symlink-based switching, zero shim overhead, everything under ~/.vex.

Latest Essays

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You Can't Build a Community with Code Alone

Why I co-founded Cobay, and what organizing founder meetups has taught me about building for people instead of just users.

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The Best Part of AI Coding Wasn't the AI

A day at Cafe Cursor Beijing reminded me that the most valuable part of building with AI is still the people in the room.

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The Best Part of AI Coding Wasn't the AI

The Database Booth I Remembered at an AI Summit

At AWS Summit China 2026, a Snowflake demo changed how I think about multimodal customer data and production AI.

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The Database Booth I Remembered at an AI Summit

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