Senior Frontend Developer (m/f/d)

SkyCell AG is a young, process-oriented and quality-conscious company focused on transporting temperature-sensitive medicines in a more reliable and sustainable way. The company aims to save lives and preserve the environment through its innovative logistics solutions.

• 5+ years of professional frontend development experience with TypeScript, modern JavaScript, and React ecosystem (hooks, context, modular design)
• Experience designing or contributing to a design system or shared component library including tokens, theming, accessibility, and documentation
• Solid understanding of HTML5, CSS3, responsive design, web security, performance, and accessibility best practices
• Experience designing or contributing to scalable frontend architectures
• Comfortable working in a fast-paced, iterative CI/CD environment with agile processes
• Proficient with Git, npm/yarn, and modern frontend tooling
• Strong communication skills with openness to direct feedback
• Supportive team player who actively shares knowledge and mentors colleagues
• Ability to navigate ambiguity and adapt to changing priorities and shifting business needs

• Lead the implementation of a Shared Design Library with reusable React components, design tokens, and UX patterns
• Define foundations such as naming conventions, versioning strategy, theming, accessibility standards (WCAG), and contribution guidelines
• Set up and maintain component documentation (Storybook, MDX) with usage guidelines and live examples
• Establish governance for proposing, reviewing, deprecating, and evolving components with UI/UX Designers and QA
• Define and implement a testing framework including unit tests, visual regression, accessibility checks, and integration tests
• Collaborate with Product Designers to translate guidelines into tokenized, testable components
• Integrate the library into CI/CD pipelines with automated builds, tests, visual regression, and versioned releases
• Write clean, maintainable, scalable code in TypeScript and React
• Own feature development from idea to deployment, working closely with product, design, backend, QA, and BA teams
• Review code and help raise the technical bar across the team
• Mentor less experienced engineers and support team growth
• Help shape frontend architecture and long-term decisions regarding modularity, patterns, and performance

Applications are only considered from candidates located in or able to relocate without sponsorship to Zurich, Zug, Hyderabad, or Basel. SkyCell AG is an equal opportunity employer committed to diversity and inclusion.