Yassir is the leading super App in the Maghreb region set to changing the way daily services are provided. It currently operates in 45 cities across Algeria, Morocco and Tunisia with recent expansions into France, Canada and Sub-Saharan Africa. It is backed (~$200M in funding) by VCs from Silicon Valley, Europe and other parts of the world.
We offer on-demand services such as ride-hailing and last-mile delivery. Building on this infrastructure, we are now introducing financial services to help our users pay, save and borrow digitally.
Helping usher the continent into a digital economy era. We’re not just about serving people - we’re about creating a marketplace to bring people what they need while infusing social values.
About the Role:
We’re looking for a Mid-Senior Frontend Engineer to join our SEFAR Design System team. SEFAR is Yassir’s internal component library that powers our web applications with reusable, accessible, and well-documented React components.
You’ll work closely with our UI/UX team to transform Figma designs into production-ready code, maintain our design token system, and ensure our components meet the highest standards of quality, accessibility, and performance.
What You’ll Do
Component Development & Maintenance:
Build, maintain, and evolve React components following our established patterns (CVA variants, forwardRef, composition) Translate Figma designs into pixel-perfect, accessible, and performant components Implement and maintain design tokens (colors, typography, spacing, shadows) Create compound components using Radix UI primitives
Quality Assurance:
Write comprehensive unit tests using Jest and React Testing Library Ensure WCAG 2.1 AA accessibility compliance across all components Support RTL layouts for Arabic language markets Participate in code reviews and maintain high code quality standards
Documentation:
Create and maintain Storybook stories with interactive controls and proper documentation Keep component documentation up-to-date with design changes Work with Figma Code Connect to link components to design files
Collaboration:
Partner with UI/UX designers to ensure design feasibility and optimal implementation Support product teams consuming the component library Contribute to design system governance and component API decisions
Technical Requirements
Must Have: 4+ years of professional frontend development experienceExpert-level React with TypeScript (hooks, context, refs, composition patterns)Strong proficiency with Tailwind CSS and utility-first stylingExperience building or maintaining component libraries/design systems- Solid understanding of web accessibility (ARIA, semantic HTML, keyboard navigation)Proficiency with testing (Jest, React Testing Library, or similar)Experience with Storybook for component documentationUnderstanding of design tokens and design-to-code workflowsStrong Git proficiency and experience with PR-based workflowsAbility to effectively use AI coding assistants (Copilot, Claude, Cursor, etc.) to accelerate development while maintaining code quality
Nice to Have: Experience with Radix UI or similar headless UI librariesFamiliarity with class-variance-authority (CVA) or similar variant managementExperience with Vite and modern build tooling Understanding of bundle optimization and tree-shaking- Experience with Figma or design tools from a developer perspective- Prior experience supporting RTL languages (Arabic, Hebrew)Experience publishing packages to npm/GitHub Packages
