Native Mobile Developer (iOS & Android)

About the role

Massive Bio is seeking an experienced Native Mobile Developer to join its technology team. You will be responsible for building and maintaining high‑quality iOS and Android applications that enable cancer patients to discover clinical trials worldwide.

Key responsibilities

• Design, develop, test, and maintain native mobile apps for iOS (Swift) and Android (Kotlin).
• Own mobile features from technical design through release and continuous improvement.
• Collaborate with Product, Design, Backend, QA, and Engineering teams throughout the development lifecycle.
• Integrate apps with RESTful APIs, authentication systems, and other platform services.
• Identify and resolve performance, reliability, usability, and platform‑specific issues.
• Participate in code reviews, technical discussions, and architectural decisions.
• Support app releases on the Apple App Store and Google Play Store and maintain them post‑launch.

Required profile

• 5–7 years of professional software development experience.
• Strong hands‑on experience developing native iOS and Android applications.
• Deep understanding of iOS and Android architectures, SDKs, and lifecycle management.
• Proven ability to work independently and take ownership of mobile features.

Required skills

• Swift (iOS development)
• Kotlin (Android development)
• iOS SDK
• Android SDK
• RESTful API integration