About
FactFinder provides AI-powered product discovery platforms for European eCommerce, including search, navigation, personalization, and recommendations. Its platform serves more than 2,000 customers, whose shops generate over €160 billion in annual GMV.
Responsibilities
•Define and drive the target frontend architecture across both React products, migrating step by step
•Build and own a shared design system with tokens, a component library, and Web Components for embeddable shop UI
•Create an AI-first prototyping and contribution framework with design-system tooling, AI coding tools, guardrails, automated review, and CI
•Write a significant share of critical production code, set standards, and pair with and develop frontend engineers
•Spend around 80% of the time on hands-on coding and 20% on architecture, design-system leadership, and enablement after initial architecture-focused stints
Requirements
•Expert-level React and TypeScript experience in complex production SaaS frontends
•Daily use of AI coding tools and agents, with workflows or frameworks built for others to use
•Experience building or leading a design system adopted across multiple teams or products, including tokens, a component library, and Storybook or similar
•Experience with Web Components, including Custom Elements, Shadow DOM, and embedding in third-party environments
•Experience modernizing or migrating a frontend stack at least once
•6+ years in frontend or software engineering, including 3+ years at Staff, Lead, or Architect level, setting technical direction across teams
•Currently hands-on writing production code
•Business-fluent English (C1); no formal degree required
Nice to have
•Leading a SaaS frontend team through a major technology change
•Next.js or Astro
•Figma workflows
•Design-token pipelines
•AI UI generation
•eCommerce/search/product discovery frontends
•React on Java or .NET backends
•Fable/Feliz
•Ant Design
•Good German language skills
Conditions
•Competitive compensation reflecting the Staff level of the role
•Training and conference budget, 30 days of vacation, modern equipment, mobility offers, and a company pension plan
•Hybrid work with 2–3 office days per week in Berlin, Munich, Pforzheim, or Stockholm
•Occasional travel (<10%) for offsites and design-system workshops
•Hiring includes a hands-on case study and a 45-minute architecture session
