3 days ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.We are
SGS – the world's leading testing, inspection and certification compan y. Today, that mission is driven by data and technology. With 99,500 employees across 2,500 locations, we have a
unique opportunity to build world-class digital products. We are now launching
a new AI hub in Madrid
to do just that. This is your
opportunity to build the flagship applications that bring our data and AI to life.Job DescriptionThis is
a role for a product-minded engineer
who believes that world-class user experiences are built on a foundation of world-class code. You won't just be building features;
you'll be craftingentire products, from the database to the user interface.
This is a role with massive leverage.As our foundational Principal Full Stack Engineer, your mission is to
own the end-to-end development of our flagship digital products. You will lead the development of our most ambitious web applications while simultaneously building and championing a comprehensive library of reusable components and patterns (both frontend and backend). Your goal is to create beautiful, fast, and accessible user interfaces powered by scalable and resilient backend services, and to empower all teams to do the same.What You'll Build and OwnLead Frontend Architecture:
Design and implement the technical architecture for complex, data-rich, and highly interactive web applications, including backend services, APIs, and frontend structure.Own the Component & Pattern Library:
Build, maintain, and evangelize our central component library and design system (e.G., using Storybook), as well as reusable backend patterns, ensuring consistency and quality across all products.Build End-to-End Products:
Act as the lead hands-on developer for our most critical products, setting the bar for code quality, performance, and user experience across the entire stack.Be the Voice of the User : Partner closely with product and design to translate user needs into elegant and effective technical solutions.Optimize for Developer Velocity : Own the full stack build tooling, testing strategies, and monorepo structure to create a fast, modern, and enjoyable development environment for all engineers.QualificationsFrontend Expertise : Expert-level proficiency in React and TypeScript. Deep experience building and scaling complex single-page applications.Backend Expertise : Proven experience building and shipping backend services and APIs using a modern stack (e.G., Node.Js/TypeScript, Go, or Python) and working with databases like PostgreSQL.Design Systems & Tooling : Proven experience building and maintaining a component library from the ground up using tools like Storybook and Chromatic.Modern Web Stack : Mastery of modern CSS (e.G., CSS-in-JS, Tailwind CSS), web accessibility (WCAG), and frontend performance optimization techniques.Engineering & DevOps : Expertise with modern build tools (Vite, Webpack), testing frameworks (Jest, Cypress, Playwright), and monorepo management (Nx, Turborepo).Who You AreYou are a seasoned software engineer (8+ years) with a deep passion for building great products, from the API to the UI.You are a "pixel-perfect" builder who is also pragmatic and understands the need to ship.You have a product mindset, viewing your fellow developers as customers of the tools and libraries you create.You are an excellent communicator who can articulate technical decisions and advocate for both the user and the developer.Additional InformationWhat We OfferTop-of-Market Compensation : A highly competitive salary and bonus package for Madrid, designed to attract and retain premier talent for this strategic role.A Clear Growth Path : This role offers a direct path to technical leadership and the opportunity to build and mentor a team around your architectural vision.A Compelling Mission:
Build the applications that bring our unique data and AI models to life, solving tangible problems in global safety, sustainability, and supply chains.Foundational Impact:
You will be the first Principal Product Engineer in our new Digital Hub, setting the standard for how a global leader builds and ships software.Greenfield Ownership & Autonomy : This is not a feature-factory role. You have a mandate to build entire products from scratch, with the freedom to choose your stack, backed by C-level sponsorship.
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