Senior Frontend Engineer - AI World-Modeling Apps + Equity

HASH is hiring a senior frontend engineer in London or Berlin to own end-to-end delivery of world-modeling and AI-native interface components. You'll shape frontend architecture and collaborate with AI engineers, researchers, and product management to build novel, accessible web apps for researchers and enterprises.

You will translate complex data into intuitive UIs, drive performance, accessibility, and maintainability, and help define robust frontend APIs while keeping delivery on time and to