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Ledger Logo Ledger · IT - Software Development

Software Engineer Design System

France, Paris 1500.00 EUR / Month · Job Posted November 04, 2025
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Job Description

We are looking for a Front-End Engineer to work on 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.

Job Responsibility

  • Develop and maintain our design system in React and React Native
  • Help 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

Requirements

  • Currently enrolled in a Bachelor's, Master's, or PhD program in Data Science, Computer Science, Statistics, or a related field
  • First Experience in Software Engineering, building and maintaining a library of UI components
  • Proficiency in HTML, CSS, and JavaScript
  • 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
  • Knowledge Responsive and Adaptive Design
  • Experience with version control systems
  • Awareness of accessibility standards and best practices (a11y)
  • Strong communication skills

Nice to have

  • Experience with Chromatic, Zeroheight
  • Knowledge of TypeScript
  • Familiarity with React Native styling specificities
  • Experience building interactive & animated components

What we offer

  • Social: Frequent social events, snacks and drinks
  • Transportation allowance: Ledger offers a commuter allowance to contribute to your preferred means of transportation
  • Lunch vouchers: Ledger offers a meal allowance with Swile
  • Vacation: 1 day off for every full month of work, in addition to national holidays
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