Design, develop, and maintain native mobile SDKs/libraries (Kotlin, Swift).
Design, develop, and maintain native mobile applications to showcase these SDKs.
Participate in code reviews, pair programming, and contribute to TDD and E2E testing.
Work with hardware features such as secure elements and NFC.
Integrate with RESTful APIs and collaborate with backend teams.
Set up and master CI/CD tools, participate in secure code reviews, and contribute to documentation.
Follow Scrum project workflows and engage in daily standups.
Deliver features from ideation to deployment, maintaining security and compliance.
Troubleshoot and optimize the CI/CD pipeline for quality and speed.

Proficient in native Android (Kotlin) and/or iOS (Swift) development.
Willingness to assist across both platforms if needed.
Experience with mobile development tooling (IDEs, test frameworks, emulators).
Nice-to-Haves: Cross-platform experience (Flutter preferred).
Familiarity with hardware features (NFC, BLE), developing mobile libraries, or native code integration.
Understanding of Docker, Figma-based UI implementation, Rust, smart cards, secure elements, or byte-level debugging of binary protocols.

Flexible working hours with the option for remote work (Mon–Thu 8:30 – 17:30 and Fri 8:30 – 15:30; 3 days of remote work)
Social Benefits: Flexible compensation (transport tickets, training, private insurance), etc.
Own canteen: Take a break with our breakfast and lunch service: choose between a wide range of menus, salad desk, and sandwiches service. Nicely priced!
Career Development: Benefit from continuous training, coaching, and talent development programs.
Culture and diversity: Join a people-oriented environment with different nationalities and a great team spirit, flat hierarchies (everyone speaks to everyone).
Team: An opportunity to shape our engineering culture and work with a passionate, mission-driven team.
Global Collaboration: Work collaboratively with stakeholders around the globe.
Impactful Work: You will have the opportunity to participate in and shape a global lighthouse project in the domain of digital currencies.

Mobile Developer

Key skills