Kotlin Developer with Multiplatform

About The Company

Our client is a cybersecurity and mobile technology leader, focusing on cross-platform mobile solutions and secure mobile modules.

About The Role

Develop and maintain secure cross-platform mobile modules using Kotlin Multiplatform Mobile, implementing Zero Trust principles and modern authentication flows for enterprise clients.

Our client, a cybersecurity and mobile technology leader, is looking for a Kotlin Developer with Multiplatform to strengthen their cross-platform mobile solutions. This is a chance to work on cutting-edge secure mobile modules, implementing Zero Trust principles and modern authentication flows for enterprise clients.

Key Responsibilities

• Develop and maintain cross-platform mobile modules using Kotlin Multiplatform Mobile (KMM).
• Implement secure authentication and authorization flows (OAuth 2.0, OpenID Connect, MFA, SSO).
• Integrate with identity providers to 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 secure storage solutions.
• Monitor and respond to runtime security signals (device integrity, jailbreak/root detection).
• Write clean, testable, and efficient Kotlin code for shared and platform-specific modules.
  
  

Requirements

• Proven experience with Kotlin Multiplatform Mobile (KMM) and mobile app development
• Strong understanding of Zero Trust Architecture and secure authentication protocols
• Familiarity with OAuth 2.0, OpenID Connect, MFA, and SSO implementations
• Experience integrating mobile apps with identity providers and secure storage mechanisms
• Knowledge of mobile security best practices, including runtime threat detection
• Ability to write maintainable, testable Kotlin code and collaborate in cross-functional teams
  
  

Required Skills

• Kotlin Multiplatform Mobile (KMM)
• mobile app development
• Zero Trust Architecture
• secure authentication protocols
• OAuth 2.0
• OpenID Connect
• MFA
• SSO
• integration with identity providers
• secure storage mechanisms
• mobile security best practices
• runtime threat detection
• writing maintainable
• testable Kotlin code
• collaboration in cross-functional teams
  
  

Benefits

• B2B contract
• 100% remote work
• Medicover healthcare benefits
• Multisport access
• E-learning platform
• Group insurance
  
  

Salary: 160 - 170 PLN