Member of Technical Staff, (Software Engineer, Experience)

Perplexity·San Francisco·Posted 22 October 2026

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About the role

The charter of Perplexity’s Core Experience team is to create a cohesive, intuitive, and delightful user experience by integrating cutting-edge AI capabilities and research into a unified system. The Core Experience team works closely with product design teams to ship a world-class web app that’s used by millions of people every day. We imagine and build the interfaces through which people experience the promise of AI. We are seeking a talented engineer with an uncompromising dedication to the craft of frontend web development. You’ll help us to define the future of human-agent collaboration: establishing intuitive mental-models, patterns, and state-representation. You’ll work closely with design to prototype, architect, and engineer novel interfaces for interacting with AI collaborators. WHAT YOU’LL DO - Build and ship polished, high-craft, intuitive web interfaces - Constantly improve high-visibility surfaces like agent chat threads, artifact editing, and message composition - Partner directly with design to turn visionary ideas into production implementations - Solve complex problems across architecture, state-management, animation, and performance-optimization…

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