- Design and development of native Android applications using Kotlin or Java
- Implementation of authentication and authorization functionality
- Development of secure storage and communication modules (e.g. BLE, NFC)
- Integration of biometric authentication and secure hardware features
- Close collaboration with UX/UI teams to deliver accessible, intuitive interfaces
- Implementation of testing processes including unit, UI, and integration testing
- Participation in code reviews and application of security best practices
- Contribution to the continuous improvement of the development process
- Development of secure mobile applications for digital identity management
- Implementation of cryptographic protocols and secure communication features
- Collaboration with a multidisciplinary international team
- Long-term public sector project (2–3 years, with a strong likelihood of extension)
- Remote work from within the EU, with occasional on-site visits in Germany
- Planned start date: June 2025
- Minimum 3 years of experience in native Android development using Kotlin or Java
- Proficiency in Android Studio, Gradle, and ADB
- At least 12 months of experience with Material Design and Jetpack Compose
- Solid knowledge of native Android APIs, including:
- TEE/StrongBox for secure key storage
- BLE (Bluetooth Low Energy)
- NFC communication
- OMAPI (Open Mobile API)
- BiometricPrompt
- Experience with testing tools such as Espresso and Appium
- Understanding of cryptographic techniques and secure communication standards
- Familiarity with Git-based development workflows
- Proficiency in both German and English (minimum B2 level)
Nice to have
- Experience with UI design tools such as Figma
- Familiarity with identity protocols: OAuth2, OpenID Connect, SAML
- Knowledge of FIDO standards and verifiable credentials
- Experience with JWT and digital identity frameworks
- Understanding of eIDAS regulations and compliance requirements
- Previous experience publishing apps to the Google Play Store
Kyotu Technology is a young organization (2Y) with a lot of experience (10+ Y of EXP).
We have experienced specialists (mainly Senior Level) and we focus on people because we know that they make the company.
We work with clients from all over the world (mainly US but also Germany, Switzerland, Finland, Ireland, Canada). We don’t look up for clients from Poland. We focus on creating complete products that allow our customers to grow their businesses.
We develop software for HealthCare, PropTech, FinTech and Governments.
Our organization has grown from 4 to 55 people in 1,5 year and plans to scale to 150-200 people in the next 2 years. We want to find someone with business acumen, industry experience and an open heart and mind.