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Sync

Frontend Engineer

Sync, San Francisco, California, United States, 94102

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Senior To Staff Level Frontend Engineer

We're seeking an exceptional senior to staff level frontend engineer who can architect and build new ways of editing video with AI. We're not looking for specialists, rather driven problem solvers who can move seamlessly between crafting intuitive UIs and engineering browser capabilities to their limits. You'll work directly with the creators of Wav2lip, tackling challenges from real-time video processing to making tools people can't live without. Our creative suite is built with

TypeScript

and

React , with

NextJS

and

tRPC

powering our API infrastructure. You'll own the development of our core video processing engine, bringing real-time editing capabilities directly to the browser through

WebGL

and

WebAssembly , and maximally leveraging our models through our core AI platform. What you'll do: Create fluid, responsive interfaces that make complex AI capabilities feel intuitive Build high-performance video processing pipelines that run entirely in the browser Ship features that define new standards for AI video creation Work closely with research to rapidly prototype and productize new model capabilities Drive improvements in frontend architecture and development practices What you'll need: 5+ years building complex web applications, with deep React/TypeScript expertise Strong background in video/media technologies (WebGL, Canvas, WebAssembly) Track record of shipping 0-to-1 features that users love Experience optimizing performance in demanding frontend applications Ability to move fast, iterate from user feedback, and execute on tight deadlines Obsession with craft and user experience Strong team player who thrives in highly collaborative, fast-moving environments Our goal is to keep the team

lean, hungry, and shipping fast. These are the qualities we embody and look for: [1] Raw intelligence: we tackle complex problems and push the boundaries of what's possible. [2] Boundless curiosity: we're always learning, exploring new technologies, and questioning assumptions. [3] Exceptional resolve: we persevere through challenges and never lose sight of our goals. [4] High agency: we take ownership of our work and drive initiatives forward autonomously. [5] Outlier hustle: we work smart and hard, going above and beyond to achieve extraordinary results. [6] Obsessively data-driven: we base our decisions on solid data and measurable outcomes. [7] Radical candor: we communicate openly and honestly, providing direct feedback to help each other grow.