ALTEN logo
ALTEN

Building tomorrow's world today

Senior Front-End Developer

Frontend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 10,001+H1B SponsorCompany SiteLinkedIn

Location

France

Posted

4 days ago

Salary

€45K - €52K / year

Seniority

Senior

Job Description

Senior Front-End Developer

ALTEN

• Develop and maintain reusable UI components for the Design System, ensuring accessibility (RGAA/WCAG) and performance. • Evolve the technical architecture of the Design System: design tokens, theming, and tooling for smooth integration into React, Angular and Vue projects. • Work closely with UX/UI designers to translate mockups (Figma, Adobe XD) into robust technical components. • Support product teams in integrating the Design System and promote best practices (clean code, performance, accessibility). • Document components and integration guidelines for designers and developers. • Optimize performance (lazy loading, Core Web Vitals) and ensure a smooth user experience across devices (mobile-first). • Participate in code reviews and CI/CD processes to ensure code quality.

Job Requirements

  • Degree from an engineering school or a Master’s degree (Bac+5) in Computer Science, Web Development or equivalent.
  • More than 7 years of Front-End development experience, with proven expertise in Design Systems and reusable components.
  • Expert command of TypeScript/JavaScript (ES6+) and web standards (HTML5, CSS3/Sass).
  • Solid experience with at least one modern framework (React, Angular or Vue.js), with a multi-framework perspective.
  • Deep knowledge of accessibility (RGAA/WCAG) and UX best practices.
  • Experience with complex state management (Redux, Context API, NgRx, Pinia) and API integration (REST/GraphQL).
  • Automated testing (Jest/Vitest, Cypress/Playwright) and performance optimization (lazy loading, code splitting).
  • Meticulousness and attention to detail to deliver robust, maintainable components.
  • Team spirit and ability to rally teams around best practices.
  • Teaching ability to support teams in adopting the Design System.
  • Autonomy and proactivity to propose innovative solutions.
  • Technical curiosity and active monitoring of Front-End evolutions.
  • Professional proficiency in French (written and spoken).

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