Senior Web Frontend Developer

As a ​Senior Web Frontend Developer, you implement digital products and their functionality. You are responsible for bringing digital ideas to life.

You are doing this with us:

• Planning user interface solutions for individual features and whole sites for customers
• Building new websites and online stores, and improving existing platforms
• Extending and improving our shared component library
• Coordinating task and project statuses directly with customers, also in agile sprints
• Reviewing change proposals of others and giving constructive feedback
• Analyzing and optimizing the web frontend performance
• Integrating with web services
• Contributing features and fixes to third-party libraries
• Implementing automated tests
• Reviewing third-party sites as part of audits for our customers You have valuable experience with:
• Programming JavaScript, HTML5, CSS, Sass, Twig, and PHP
• Building modular and reusable component libraries
• Frontend web frameworks like Next.js, Nuxt.js, Sveltekit, or similar
• UI libraries like React, Vue, Svelte, or Web Components
• GraphQL queries and RESTful API requests
• Developing shared packages (ideally published publicly like our packages)
• Craft, WordPress, Drupal, or other CMS
• WooCommerce or comparable e-commerce platforms
• Implementing custom Gutenberg blocks
• HTTP caching operating principles
• Understanding foreign code bases
• Best practices and writing clean code
• Participating in code reviews and discussions about architecture and design
• Spoken and written English on a professional level You are familiar with these tools:
• Peer review and version control platforms like GitHub, Chromatic
• Component library UIs like Storybook, Fractal, Patternlab
• Command line tools like Git, npm, gulp, Webpack, SSH
• Continuous integration platforms like Netlify, GitHub Actions
• Project management tools like Asana
• Collaboration tools like Slack and Google Apps (GSuite)
• Documentation tools like Notion This comes out of your work in the end:
• Solid responsive layouts and interactions
• Functionality that is well-tested and resolves the needs of the customer
• An implementation approach that can be maintained and updated easily
• Code that is clean and can be understood and extended by others
• Time estimates that are reliable You'll be working with these folks:
• Project Manager
• UX- & UI designer
• Digital Business Consultants
• Marketeers
• This is what we live every day:
  • Independent and self-responsible work is part of our DNA. Flexible working hours and home office are absolutely natural for us – we see our work as a very important part of life. But only as a part that should fit flexibly with the rest.
  • You will find a set of values that we love and live every day.
  • You’ll meet a colourful international team full of digital enthusiasts who burn for their subjects – just like you do.
  • A mentor will give you regular feedback. As we are constantly changing and try to get a little better every day, we would like to see the opposite. Get involved and let us know if we miss a step and what we can do better.
  • There is fresh fruit, coffee and soft drinks in all offices. We also meet every Monday for lunch together.
  • Togetherness is important to us: we meet for team activities and joint workshops alternately in our offices in Karlsruhe, Cologne and Barcelona.
  • You enjoy further education and we support you in this – with language courses, conference visits and further qualifications.
  • We are fond of animals: Dogs can be brought to the office after getting to know them. Currently, the Karlsruhe office offers fish and a fluffy dog.
  • You will have 28 days of holidays. You can enjoy them when it fits best in your calendar.
  • We make sure that you can work under the best conditions: Laptop, mobile phone contract, the right hardware, train ticket or job bike – ride with us! Start date: Immediately
    Model: Hybrid (2 days working at the office)
    Location: Barcelona or Karlsruhe
    Salary range: 48,000 – 72,000 EUR/anno
    Required experience: Minimum 8 years experience in the field