Senior Frontend Engineer

**Why Weave Exists** ==================== At Weave, our mission is to evolve how therapeutic knowledge is captured, transformed, and communicated throughout drug development. We do this by equipping human experts with AI instruments to enable drugs to be brought to patients as rapidly, safely, and inexpensively as possible. The Weave Platform streamlines regulatory workflows from start to finish by intelligently, creatively, and effectively infusing every step with AI. Together with our customers, Weave is designing and building the AI workbench for the entire therapeutic lifecycle. **The Role \& Your Mission** ============================ We're building a collaborative document platform and we need a **Senior Frontend Engineer** who obsesses over craft, usability, and shipping things that genuinely work for customers. You'll thrive here if you move fluidly from problem discovery to prototype to production, making smart tradeoffs along the way. We value simple, well\-tested, and reliable solutions over hype\-driven complexity. If you love turning ambiguous customer problems into polished, performant interfaces, keep reading. **What You'll Own** =================== * **Customer\-centric problem solving.** Deeply understand how customers use our product, then translate that understanding into intuitive, elegant frontend experiences. * **Collaborative product development.** Partner closely with Product and Design to shape what gets built. You'll have a seat at the table from ideation through delivery. * **Real\-time, collaborative editing.** Architect and build a rich document editor with multiplayer collaboration features (think CRDTs, presence indicators, conflict resolution) that feels seamless at scale. * **High\-quality frontend code.** Write performant, well\-tested TypeScript and React that your teammates (and your future self) will thank you for. We value readability, maintainability, and thoughtful abstractions. * **Technical direction.** Driv