Mid-Senior Frontend Engineer - Design System & Component Library

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 experience

Expert-level React with TypeScript (hooks, context, refs, composition patterns)

Strong proficiency with Tailwind CSS and utility-first styling

Experience 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 documentation

Understanding of design tokens and design-to-code workflows

Strong Git proficiency and experience with PR-based workflows

Ability 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 libraries

Familiarity with class-variance-authority (CVA) or similar variant management

Experience 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

At Yassir, we believe in the power of diversity and the importance of an inclusive culture. So, if you're ready to bring your unique perspective and experiences to the table, then we're excited to listen.

Don't just apply for a job, come and be a part of our journey. Let's create a better tomorrow together.

We look forward to receiving your application!

Best of luck,

Your Yassir TA Team