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Senior Frontend Engineer

Berlin
Full-time
Permanent employee

Your mission

As the Senior Frontend Engineer at mula, you will be the driving force behind our user interface and the primary owner of our frontend architecture. Working alongside backend specialists, you will take full responsibility for transforming our vision into a high-performance, scalable, and intuitive digital experience. With at least 4 years of experience, you’ll help us bridge the gap between complex backend logic and a seamless B2B user journey, ensuring we remain the most digitally integrated merchandise platform globally.

Your role

  • Take ownership of the entire frontend codebase and define the technical direction for our client-facing applications.

  • Design and implement scalable frontend architectures that play nicely with our Django-based backend.

  • Work closely with two backend engineers to define API contracts and ensure smooth data flow across the stack.

  • Translate design mockups into pixel-perfect, responsive, and accessible interfaces that delight our B2B clients.

Your tasks

  • Feature Development: Lead the development of our core web applications using React and Next.js.

  • State Management & Data Fetching: Manage complex application state using React Query and React Context.

  • Integration: Consume and help shape RESTful APIs, ensuring efficient data handling and error management.

  • Performance Optimization: Ensure our platform remains fast and reliable through code-splitting, caching strategies, and modern CSS practices.

  • Quality & Standards: Maintain a clean, modular codebase and establish frontend best practices (testing, documentation, and CI/CD).

  • Cross-functional Collaboration: Partner with product and design teams to turn high-level requirements into technical reality.

Your profile

  • 4 years of professional experience in frontend development, with a deep focus on the React ecosystem.

  • Expert Proficiency in Next.js, including a solid understanding of SSR, SSG, and ISR patterns.

  • Knowledge of TypeScript to ensure type safety across the application.

  • State Management Pro: Proven experience handling complex data with Redux and a strong preference for React Query

  • Experience with Testing Frameworks (Jest, React Testing Library, or Cypress).

  • Modern CSS Mastery: Deep knowledge of responsive design and modern styling approaches (e.g., Styled Components, or CSS Modules).

  • Agile Mindset: Comfortable in a lean, fast-paced environment where taking ownership is the default.

  • Communication: Strong ability to explain technical frontend concepts to non-technical stakeholders and document architectural decisions.

  • Language: Fluent in English (written and spoken).

  • Based in Berlin

Benefits

  • Cursor subscription
  • Deutschlandticket
  • Flexible working hours and option for hybrid work
  • Regular team events

About us

mula. is a fast-growing HR- and Tech Startup integrating and streamlining the design, purchase, storage and distribution of promotional goods in the most efficient way possible. We are building a powerful digital platform with unique capabilities to revolutionise and emphasise the importance of employer branding.