When the AI Writes the UI: Frontend Lessons from Shipping Two AI Developer Tools

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What happens to your design system, your code quality standards, and your developers' wellbeing when AI is writing significant portions of your frontend — and doing it faster than any review process can keep up?
Jaayden Halko is a Senior Frontend Engineer at Coder, where he has worked on AI developer tools: Mux, a parallel AI coding agent multiplexer, and Blink, a platform for building and deploying custom AI agents. In this talk, he shares the unexpected frontend challenges that emerged when AI was used heavily to develop the UI.
You'll hear what actually happened when code reviews became optional, whether AGENTS.md context files meaningfully improve AI-generated UI quality, how different AI models have distinct aesthetic preferences that drift your design system and how UI design choices directly contribute to or mitigate developer burnout in AI-heavy workflows.
This is a practitioner's talk discussing the decisions, trade-offs, and a forward look at what AI-native developer tool interfaces need to become.

This talk has been presented at React Summit US 2026, check out the latest edition of this React Conference.

Jaayden Halko
Jaayden Halko
Video transcription, chapters and summary will be available later.

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