Junior Mobile Developer (Android/iOS) – Frankfurt

About the role

Join a fast‑growing FinTech team in Frankfurt as a Junior Mobile Developer. You will work on a modern banking app, collaborating with product managers, designers and backend engineers to deliver high‑quality native experiences on both Android and iOS platforms.

Key responsibilities

• Design and implement future‑proof API interfaces and contribute to the overall mobile architecture.
• Optimize performance, UI reactivity and the native look‑and‑feel to ensure a first‑class user experience.
• Collaborate with product owners, UX/UI designers and backend developers from concept to release.
• Evaluate and integrate new mobile technologies, CI/CD pipelines and best practices.
• Maintain code quality through automated testing and continuous integration.

Required profile

• Degree in Computer Science or a comparable field.
• 1–2 years of practical experience gained through internships or student projects.
• Familiarity with agile development, preferably Scrum.
• Proactive use of AI tools in daily development and openness to new tools such as Claude CodeFluent.
• Fluent German and good English communication skills.

Required skills

• Native Android development.
• Native iOS development.
• API design and integration.
• Performance optimisation and UI responsiveness.
• CI/CD pipelines.
• Automated testing frameworks.
• Agile/Scrum methodologies.

What we offer

• Hybrid work model with four days in the office and one flexible day.
• Continuous personal development through training and regular feedback.
• Open‑ended contract with performance‑based salary and annual bonuses.
• Benefits such as fitness partnerships, subsidised bike leasing and modern ergonomic workstations.