Frontend Developer – Design System & Web Components

Rasulson Consulting; Stockholms kommun; On-site; SEK 700,000 - 900,000; Full time

Job summary

Rasulson Consulting is seeking a frontend developer for a temporary assignment centered on building robust, reusable components within a design system. You will focus on semantics, accessibility, API design, testability and documentation, working closely with design.

You will implement components with Lit and Web Components, document usage patterns, and help other teams apply guidelines. The role is parental-leave cover in a small, cross-disciplinary team, with start date to be agreed.

Qualifications

• 3–5 years of frontend development experience.
• Strong knowledge of JavaScript and TypeScript.
• Experience with component-based frontend development, ideally React.
• Hands-on with Web Components, ideally using Lit.
• Experience building or contributing to component libraries or design systems.
• Foundational accessibility knowledge (WCAG, semantics, keyboard navigation).
• Experience with version control and CI/CD workflows.
• Able to collaborate with designers and developers.
• Ability to clearly document components and guidelines.

Responsibilities

• Build robust, reusable components within a design system.
• Ensure accessibility, semantics, and good API design.
• Document usage patterns, behaviors and technical decisions.
• Collaborate with designers and UX writers to apply guidelines.
• Support other teams on proper component usage and guidelines.

Skills

Frontend experience

JavaScript/TypeScript

React

Lit/Web Components

Design systems

Accessibility (WCAG)

Git/CI-CD

Collaboration

Documentation

Tools

Web Components (Lit)

Storybook

Git

Job description

Rasulson Consulting is seeking a frontend developer for a temporary assignment centered on building robust, reusable components within a design system. You will focus on semantics, accessibility, API design, testability and documentation, working closely with design.

You will implement components with Lit and Web Components, document usage patterns, and help other teams apply guidelines. The role is parental-leave cover in a small, cross-disciplinary team, with start date to be agreed.