Staff Frontend Engineer / Frontend Architect (m/f/d)

Introduction Teaser Two products, two backends, one frontend vision: build the AI-first frontend platform and design system that lets our engineers, product managers and designers ship UI at speed. A senior hands-on role with architect-level influence, no people management, and our CPTO as your executive sponsor. Role at a glance Level: Staff/Principal-level individual contributor – technical leadership, no direct reports Reporting line: VP Engineering. Executive sponsor: our CPTO Products: FactFinder NG (React on a Java backend) and Infinity (React on a .NET/F# backend) Stack you'll shape: React, TypeScript, Web Components, design tokens, Storybook, AI coding tools (Claude Code, Cursor, MCP-based tooling) Team: Product & Technology organization of around 25 people, led by our CPTO, working in a product trio model with product and design Location: Berlin; Munich, Pforzheim or Stockholm possible – hybrid with 2–3 office days per week; occasional travel (<10%) for offsites and design-system workshops Start: as soon as possible About FactFinder FactFinder is one of the leading product discovery platforms for European eCommerce. For more than 20 years we've applied AI and machine learning to product search, navigation, personalization and recommendations. Our Product Discovery Experience (PDX) spans two products: FactFinder NG, an exact and highly configurable search, and Infinity, a self-learning, behavioral discovery engine. More than 2,000 customers generate over €160 billion