Junior Mobile Developer (Android/iOS) – Frankfurt

About the role

We are looking for a Junior Mobile Developer to join our Investment & Loan team in Frankfurt. You will work on a modern banking app, gaining hands‑on experience with native Android and iOS development in a fast‑moving FinTech environment.

Key responsibilities

• Design and implement future‑proof API interfaces and contribute to the app’s technical architecture.
• Optimize performance, UI reactivity and the native look‑and‑feel to deliver a first‑class user experience on both platforms.
• Collaborate with product owners, UX/UI designers and backend engineers to turn ideas into released features.
• Keep the mobile tech stack up to date by evaluating new tools, CI/CD pipelines and best practices.
• Ensure code quality through automated testing.

Required profile

• Degree in Computer Science or a comparable field.
• 1–2 years of practical experience from internships or student projects.
• Familiarity with agile development, preferably Scrum.
• Comfortable using AI‑assisted development tools and fluent in German and English.

Required skills

• Native Android development.
• Native iOS development.
• API design and integration.
• CI/CD pipelines for mobile applications.

What we offer

• Hybrid work model – four days in the office, one day flexible.
• Continuous learning with training, feedback sessions and career development support.
• Performance‑based salary, annual bonuses, fitness partnerships and subsidised bike leasing.
• Agile small‑team environment with short decision‑making cycles.
• Ergonomic workplace equipped with dual monitors and height‑adjustable desks.