NewSenior Front-End Developer (UI Components & Design Tokens) – Quantum
Apply on ThalesThales in Bucharest, Romania is hiring a Senior Front-End Developer (UI Components & Design Tokens) for Quantum, the Thales digital Design System. The role focuses on bridging design and development to mature Quantum's components, patterns, tokens, theming, and premium UI at scale, and participating in the design, evolution, and maintenance of the Design System. Quantum is used by more than 300 designers and 2,000 developers across the Group and is supported by a central team of 2 designers and 2 front-end developers.
What you'll do
- Design and develop design system components using a code-first approach, ensuring quality, scalability, and maintainability
- Collaborate with the Design Lead and Tech Lead on large-scale design system challenges and contribute to technical decisions and architectural choices
- Gather and understand user needs and behaviors with UX specialists and participate in interviews, workshops, and user testing to inform component development
- Contribute to and implement a complete visual review of the design system to ensure components elevate the brand and align with premium design standards
- Structure, implement, and maintain design tokens, including modelling, management, and automation for scalability and multi-theme support
- Translate design specifications and prototypes into robust, reusable code
- Contribute to documentation, formalization, and support of the design system, explaining usage to internal developers and designers
What they're looking for
- At least 8 years' experience, including 2–3 years in a Design System team
- Strong UI culture and attention to detail to ensure visual consistency and quality
- Ability to collaborate effectively with designers and understand design logic
- Ability to structure, rationalize, and document to make development reusable and scalable
- Capacity to inspire confidence and provide leadership in a collective approach
- Curious and proactive; rigorous and passionate; autonomous and humble; impact- and learning-oriented; inspiring and collaborative; comfortable with uncertainty
- Strong expertise in modern UI development and understanding of UI principles such as accessibility, code quality, and design rigor
- Advanced knowledge of HTML, CSS (pre/post processors a plus), JavaScript/TypeScript, and experience building and maintaining component libraries in a collaborative IDE environment
Learn the skills this role asks for
Into Design Systems is the conference on Claude Code and Figma MCP and design system automation, taught by the teams who run them in production.
Am I a fit for this role?
Let your own agent answer that. Connect this board once with the command below and the agent reads this posting in full instead of guessing from the title.
claude mcp add --transport http ids-jobs https://jobs.intodesignsystems.com/mcpThen paste this and add your background
Use the ids-jobs MCP server and read the job "thales-senior-front-end-developer-ui-components-and-design-tokens-quan-1tgo71". Tell me which requirements I already meet and which ones I am missing. My background: Summary written by Into Design Systems from the public job posting, without guarantee of accuracy or completeness. Always verify the details and apply on the company's official page.
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