ðDo you want to help us redefine how AI powers the future of Business Management software, not as an add-on, but as a core part of how people work, decide and grow?ð§ The RoleDesign System Architect:This is for a systems thinker with technical firepower, a builder’s mindset, and a strong design eye.You’ll own the architecture of our company-wide design system — evolving it from a set of components to a real product infrastructure that fuels consistency, quality, and speed across every team.Think: building the rails for AI-powered design dev workflows, creating seamless tooling from Figma to code, and setting the bar for how we scale quality across the product.Factorial is scaling fast — and this role is about laying the foundations for design and engineering to move at 10x speed with 10x consistency.
¿You’ll have massive ownership, shape how we build product across the org, and leave a legacy in how we approach design quality at scale.You’ll be engineering the product underneath the product.ð What You’ll DoAs a Design System Engineer at Factorial,



you’ll help define and build the next generation of our AI-native product using modern AI development practices.Lead and scale our design system across the companyDefine the technical architecture, tooling, documentation, governance, and implementation plan.
Help us rethink how design systems operate in an AI-native product development flowDesign and implement AI SkillsBuild tools and plugins that connect Figma code AI-driven workflowsDevelop and maintain evaluation frameworks (Evals)Partner with design, frontend, and product to ensure pixel-perfect execution at scale.
Share knowledge and raise the barMentor peers, document learnings, and contribute to Factorial’s AI engineering best practices.You might be mid, senior, or staff, what we care about is:AI as a habit: you’ve built real AI-powered systems or workflows (not just experiments)Proven impact: shipped projects, side projects, or contributions that made a measurable

📌 Design Engineer F/H (Barcelona)
🏢 Factorial Hr
📍 Barcelona