Kotlin Multiplatform Developer (KMM) – Zero Trust Architecture

Kotlin Multiplatform Developer (KMM) – Zero Trust Architecture (m/f/d) Role Overview We are looking for a Kotlin Multiplatform Developer to join a team building secure mobile solutions aligned with Zero Trust Architecture principles. The role involves developing and maintaining shared cross-platform modules using Kotlin Multiplatform Mobile (KMM) , implementing secure authentication and authorization mechanisms, and integrating with enterprise identity providers. Key Responsibilities Develop and maintain cross-platform modules using Kotlin Multiplatform Mobile (KMM) . Implement secure authentication and authorization flows such as OAuth 2.0 , OpenID Connect , MFA , and SSO . Integrate with identity providers and enforce least privilege access and continuous verification . Collaborate with security architects to embed Zero Trust principles into mobile client design. Ensure secure storage of credentials and tokens using platform-specific mechanisms (e.g., Android Keystore , iOS Keychain ). Monitor and respond to runtime security signals (e.g., device integrity checks, jailbreak/root detection). Write clean, testable, and efficient Kotlin code for both shared and platform-specific modules. Requirements Strong experience with Kotlin development. Hands-on experience with Kotlin Multiplatform Mobile (KMM) . Good understanding of security standards and protocols: OAuth 2.0 , OpenID Connect , MFA, SSO. Experience integrating mobile apps with IAM / Identity Providers . Knowledge of secure token handling and credential storage on Android/iOS. Ability to write maintainable code and automated tests. Understanding of mobile security risks and mitigation techniques. Nice to Have Experience working in environments applying Zero Trust Architecture . Familiarity with mobile device integrity solutions and anti-tampering approaches. Experience in regulated industries (banking, fintech, enterprise security).