Frontend Engineer - AI Platform, Data Viz & Dashboards

System1 Group Plc is seeking a frontend engineer to join as the first frontend member of an empowered product team. You will define frontend architecture for the AI platform, build a TypeScript/React web app for the world’s largest advertisers, and bring analytics to life with dashboards and visualisations.

You will create agentic, conversational interfaces with streaming AI, handle video upload workflows, and work API-first with a headless backend.