Senior Kotlin Developer

Spyrosoft is seeking a skilled Senior Kotlin Developer to join a security-focused initiative within a large international organization. You will play a key role in implementing Zero Trust Architecture principles in mobile applications, focusing on secure authentication, identity management, and robust runtime protection.

Key responsibilities

• Develop and maintain cross-platform modules using Kotlin Multiplatform Mobile (KMM).
• Design and implement secure authentication and authorization flows, including OAuth 2.0, OpenID Connect, MFA, and SSO.
• Integrate with identity providers and enforce Zero Trust principles such as least privilege and continuous verification.
• Collaborate with security architects to embed security best practices into mobile client design.
• Monitor and respond to runtime security signals, including device integrity and jailbreak or root detection.

Requirements

• Strong experience with Kotlin and mobile development for Android or cross-platform environments.
• Hands-on experience with Kotlin Multiplatform Mobile (KMM).
• Solid understanding of authentication and authorization protocols like OAuth 2.0 and OpenID Connect.
• Experience working with identity providers and secure session or token management.
• Good command of English (B2+ level).

What we offer

• Opportunity to work on high-impact, security-focused mobile projects.
• Collaboration with experienced security architects and cross-functional teams.
• Professional development in an enterprise-scale environment.
• Fully remote work environment.