We are seeking a highly skilled Middle+/Senior Frontend Developer to join the development and maintenance of our core Design System. This isn't just about building features; it’s about building the foundational components that other teams will use to build the product. You will be responsible for creating robust, documented, and accessible components in React and Storybook.
Technical Requirements
• React Mastery: Extensive experience with React (Hooks, Context, Composition patterns).
• Storybook Specialist: Proven experience architecting Storybook environments, including building "Docs" pages, managing Controls/Args, and organizing component hierarchies.
• Styling & Design Tokens: Proficiency in CSS Modules and SCSS, with a solid understanding of Design Token systems — including multi-brand theming, spacing scales, and typography — consumed via CSS custom properties. Experience structuring token-driven component libraries with support for light/dark theming and multiple brand variants.
• Testing Excellence: Skilled in End-to-End (E2E) testing and unit testing specifically for UI components.
• TypeScript: Strong typing skills to ensure component props are predictable and self-documenting.
Soft Skills & Engineering Standards
• The "Design Eye": A passion for UI/UX. You should be someone who notices if a margin is 2px off and cares about consistent interaction states (hover, focus, disabled).
• Team Player: You will be the bridge between Design and Engineering. Strong communication skills are vital for aligning on component specs.
• Continuous Improvement: We don't just want a "task-doer." We want someone who suggests better ways to automate documentation, improve CI/CD for the library, or optimize component performance.
• Reliability: Ability to own a task from the initial Figma handoff to the final published signed-off component.
Key Responsibilities
1. Build & Maintain: Develop reusable, accessible (WCAG compliant), and performant React components.
2. Documentation: Write clear, concise documentation within Storybook so other developers can integrate components with zero friction.
3. Code Reviews: Maintain high coding standards through rigorous peer reviews, focusing on reusability and scalability.
4. Refactor & Evolve: Proactively identify technical debt within the component library and suggest architectural improvements.
Key Skills
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- Posted
- Apr 07, 2026
- Type
- Contract
- Level
- Mid-Senior
- Location
- The Hague
- Company
- Infoplus Technologies UK Limited
Industries
Categories
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