Staff Front-end Engineer - Design System (f/m)
Ledger
Software Engineering, Design
Paris, France
Posted on Mar 4, 2025
We’re the forever innovators. On a mission that goes beyond business. Securing digital ownership in a changing world. Unlocking true freedom. We’re revolationaries. Looking beyond today. Bridging excellence and pragmatism, with ambition and conviction, to push the limits of what’s possible. That’s what you’ll do here, in this playground of innovation. With leadership and trust, you’ll write the rules of new technology, and create products that redefine security in a digital age.
Founded in 2014, Ledger is the global platform for digital assets and Web3. Over 20% of the world’s crypto assets are secured through our Ledger devices. Headquartered in Paris and Vierzon, with offices in the UK, US, Switzerland, and Singapore, Ledger has a team of more than 700 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow, and manage crypto assets – including the Ledger hardware wallets line with more than 7 million units already sold in 200 countries.
We are looking for a Staff Front-End Engineer to lead our Design System initiative on the technical side.
You will collaborate closely with the Design Language System core team, designers, and developers to ensure a consistent, scalable, and visually appealing user interface across Ledger digital products.
The ideal candidate will have a passion for experience and design, an eye for detail as well as a deep understanding of front-end development and scalable code.
Your mission
- Lead the development, and maintenance of our design system in React and React Native.
- Define best practices, guidelines, and documentation for UI components, accessibility, and performance.
- Collaborate with our designers to translate Figma designs into reusable, high-quality components.
- Ensure consistency across platforms (web & mobile) by establishing a robust design token framework.
- Advocate for accessibility and ensure compliance with WCAG and other accessibility standards.
- Mentor engineers and contribute to team growth by providing technical guidance and code reviews.
What we're looking for:
- A minimum of 8 years of experience in software development
- Significant experience in building and maintaining a library of UI components
- Strong proficiency in HTML, CSS, and JavaScript
- Extensive knowledge of Web APIs and CSS features, as well as their browser support
- Experience with React
- Experience with testing frameworks
- Familiarity with design tools such as Figma
- Expertise in Responsive and Adaptive Design
- Experience with version control systems
- Awareness of accessibility standards and best practices (a11y)
- Strong communication skills, with the ability to work across teams and influence technical decisions.
Nice to have:
- Experience with Chromatic, Zeroheight
- Knowledge of TypeScript
- Familiarity with React Native styling specificities
- Experience building interactive & animated components
What's in it for you?
- Equity: Employees are the foundation of our success, and we award stock options so you can share in that success as we grow.
- Flexibility: A hybrid work policy.
- Social: Annual company outing for Ledgerdary Days, plus frequent social events, snacks and drinks.
- Medical: Comprehensive health insurance policy offering extensive medical, dental and vision care coverage.
- Well-being: Personal development, coaching & fitness with our dedicated partners.
- Vacation: Five weeks of paid leave per year, in addition to national holidays and rest & relaxation (RTT) days.
- High tech: Access to high performance office equipment and gadgets, including Apple products.
- Transport: Ledger reimburses part of your preferred means of transportation .
- Discounts: Employee discount on all our products.
We are an equal opportunity employer for all without any distinction of gender, ethnicity, religion, sexual orientation, social status, disability or age.
