Senior Frontend Engineer, Live Run UI (React/TS)

H is hiring a senior front-end engineer to build the H Platform web app and the HoloTab Chrome extension. You’ll work with React and TypeScript, delivering robust UI and collaborating on Python API changes behind the scenes in a hybrid setup across Paris and London.

You’ll design live run views and replay features, establish shared component patterns, and help teams watch and steer agents in real time, while shipping code that users rely on daily.