(Junior) Mobile Engineer

A dynamic fintech company within a well-established digital group is building the future of mobile banking, and they’re looking for a (Junior) Mobile Developer to join their growing team. This is a unique opportunity to help shape a modern banking experience from the ground up, working in an agile environment with flat hierarchies and rapid decision-making.
This is a great opportunity to build modern Android and iOS banking features in an agile environment with flat hierarchies, fast decisions, and close collaboration across product, design, and engineering teams. You Will:

• design and develop the client's Bank app for Android and iOS.
• plan and design future-proof API interfaces and actively contribute to the technical architecture and app concept.
• optimize performance, UI responsiveness, and the native look and feel of the app for a first-class user experience on both platforms.
• work closely with product owners, UX/UI designers, and backend developers to implement innovative features from idea to release.
• keep the tech stack continuously up-to-date by evaluating new mobile technologies and best practices such as CI/CD.
• ensure code quality through automated tests.

Requirements

• A completed degree in computer science or a comparable field of study.
• Initial practical experience — ideally 1–2 years, through student work or internships
• Fluency in German and confidently in English.
• Familiar with agile development and ideally have initial experience with Scrum.
• You actively use AI tools in your daily development work and are open to trying out new tools like Claude Code.

Benefits

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  Long-term perspective : Be part of a company with consistent growth and strong career development opportunities

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  Startup atmosphere with stability : Enjoy the spirit and agility of a startup combined with the security of an established company

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  Team culture : Casual work environment, flat hierarchy, informal communication, regular team events and social gatherings

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  Professional growth : Access to a wide training catalog and targeted personal development support

• 
  Perks : Free public transport ticket (Deutschlandticket), product discounts, free drinks and fruit, complimentary lunches

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  Convenient location : Centrally located office with excellent public transport connections

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  Bike leasing : Get support for leasing a high-quality business bike

Standort

Zero to One Search, Frankfurt