Developer turned a failed system design interview into a drag-and-drop resume editor

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A developer failed a system design interview after being asked to design a document editor, and the experience motivated them to study how editors work at a fundamental level. While researching, they noticed that most resume builders rely on fixed schemas and template renderers rather than true editing functionality. This insight led them to build Roleframe, a drag-and-drop resume editor that allows users to freely arrange sections and export clean multi-page PDFs. The tool is built on Next.js, React, TypeScript, and a custom event sourcing engine, with AI-assisted tailoring layered on top of the core editor. The project's architecture prioritizes rendering performance by storing document elements as keyed objects rather than arrays, avoiding unnecessary re-renders.

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