Junior Frontend Developer (React) in Berlin

Build and grow as a React developer while shipping customer-facing features that reduce friction for thousands of banking customers. In this role you will join the Chargeback team to implement and improve the micro-frontend for disputing card transactions, learn modern frontend engineering practices, and ship production code under mentorship. You'll gain hands-on experience with React and TypeScript, testing, and component design while helping shape a dependable, compliant user flow.

} } ;

{ your_responsibilities: [

• Build, improve, and maintain features and customer flows within our Chargeback micro-frontend.
• Develop functional, stable, and well-tested frontend solutions that follow agreed designs, flows, and development guidelines.
• Collaborate closely with frontend and backend developers, UX, product, and QA to turn requirements and designs into working solutions.
• Integrate APIs in collaboration with backend developers and build your understanding of API design and the wider technical architecture.
• Participate in code reviews, use feedback to improve your work, and contribute to shared frontend standards and practices.
• Develop an understanding of the Chargeback domain, including customer journeys, stakeholders, APIs, and third-party dependencies.
• Take ownership of your assigned tasks, proactively work through problems, and know when to involve or ask for support from teammates.
• Continuously develop your frontend skills and gradually take greater ownership across the software delivery lifecycle.

] } ;

{ following_qualifications_would_be_in_line_with_our_desired_profile_for_this_position: [

• Experience with or foundational knowledge of React and a motivation to deepen your frontend development skills.
• A strong learning mindset: you actively seek feedback, learn from mistakes, and apply what you have learned to new situations.
• You listen to different perspectives, ask questions, share your ideas, and enjoy solving problems as part of a team.
• A sense of ownership and accountability for your work, combined with the confidence to ask for help when you need it.
• Curiosity and structured problem-solving skills, with the ability to adapt when requirements, constraints, or new information change.
• A willingness to create high-quality solutions and learn good practices around testing, version control, and software delivery.
• Knowledge of TypeScript, REST APIs/API specifications, Git, Docker, Redux/RTK Query, Playwright, or Vitest is an advantage rather than an expectation that you already know everything.
• You're passionate about your work, but also know how to enjoy your free time!

] } ;

Have the feeling you don't match every single requirement? Don't worry! We encourage you to apply anyways, even if your qualifications do not align perfectly. You might still be just the right candidate for us!

{ { a_place_to_stay_together:

From Morning Daily to Afterwork Drink, team spirit is essential to us. The heart of our togetherness is that we truly are connected with each other: We not only share fun & laughter, but also honest opinions - because that's how we grow: We exchange ideas, give support in our personal development, and celebrate success together! Besides our great community, we also offer numerous other benefits ...

} } ;

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