We are currently looking for a skilled Senior Frontend Engineer (m/f/d) – Team Webstack to support us in building the fastest & most intuitive shopping app using a brand-new tech stack onsite in Hamburg or Berlin!

The App & Web Team constantly improves the App, Mobile Website and Desktop Website. These big-scale products are each visited by over 11M active users every month. The team’s focus is to provide our customers the most inspiring, convenient, intuitive, and easy-to-use shopping experience. They constantly challenge themselves to raise the bar of what is "state of the art” in customer-facing products.

• JavaScript

• React

• TypeScript

What you will do

• Develop and maintain high-quality, performant, and scalable frontend features for our Web Shop (Desktop, Mobile Web, Tablet) using React and TypeScript.
• Collaborate closely with product managers, UX designers, and QA managers to translate concepts and requirements into user-friendly and reliable features.
• Take an active role in solving complex technical problems and architecting innovative, sustainable frontend solutions.
• Take ownership of large-scale projects from conception to deployment, requiring little oversight.
• Foster a culture of high-quality code, continuous learning, and knowledge sharing.
• Actively participate in code reviews to ensure code quality, maintainability, and adherence to best practices.
• Contribute to optimizing our frontend architecture, performance (Core Web Vitals), and development workflows.

Who you are

• 5+ years experience with Frontend Development
• ​​​​​​​Expert proficiency in JavaScript and TypeScript.
• Deep experience with React and its ecosystem (e.g. hooks, context).
• Strong skills in HTML and modern CSS (e.g. CSS-in-JS, responsive design).
• Solid understanding of frontend testing frameworks (e.g. Jest, React Testing Library).
• Experience integrating with REST APIs and managing application state (e.g., Redux, Zustand, React Query).
• Familiarity with build tools (e.g. Webpack, Vite) and package managers (e.g. npm, yarn).
• Strong knowledge of web performance optimization principles and accessibility (a11y).
• Proficient with Git and comfortable with CI/CD workflows.
• Excellent problem-solving: You can solve conceptual, non-standard problems and exercise solid judgment based on analyzing multiple sources of information.
• High autonomy and ownership: You are motivated, take matters into your own hands, and can lead a complex project or process with little oversight from your manager.

Nice to have

• Experience with server-side rendering (SSR).
• ​​​​​​​Experience working in a large-scale e-commerce environment.
• Knowledge of Node.js.
• Experience building or maintaining a design system or component library.
• Experience with end-to-end testing tools like Cypress.

Benefits

• Fresh fruit every day

• Sports courses

• Free access to code.talks

• Exclusive employee discounts

• Free drinks

• Language courses

• Laracast account for free

• Company parties

• Help in the relocation process

• Mobility subsidy

• State-of-the-art technology

• Central Location

• Company pension

• Dog-friendly office

• AY Academy

• Feedback Culture

• Job Bikes

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