SENIOR NATIVE MOBILE DEVELOPER (IOS + ANDROID)

We are looking for a Senior Native Mobile Developer based in Latin America to join a growing technology team building an innovative entertainment accessibility platform. The mobile application synchronizes translated audio with movies and other live entertainment experiences, helping Spanish-speaking audiences enjoy content in their preferred language. You will develop and maintain native iOS and Android applications using Swift and Kotlin. This is not a cross-platform role; strong production experience with both native ecosystems is essential. This is a full-time, long-term contract with an initial three-month trial period. You will collaborate closely with a Florida-based client and an English-speaking, distributed team, so reliable working-hours overlap and clear communication are important. Responsibilities • Develop, enhance, and maintain native iOS and Android applications using Swift and Kotlin. • Deliver reliable mobile experiences for a large and active production user base. • Implement and maintain mobile security features, including device and application integrity checks, secure credential storage, biometric authentication, and certificate pinning. • Build and optimize location-based functionality using iOS and Android geo-fencing capabilities. • Diagnose production issues and improve application performance, stability, and security. • Contribute to technical decisions, architecture discussions, code reviews, and release planning. • Collaborate closely with the Head of Technology and other mobile developers. • Communicate progress, risks, and technical decisions clearly during regular team calls. • Write clean, maintainable, well-tested code and contribute directly to implementation without relying excessively on AI-generated solutions. • Support applications throughout their full lifecycle, from development and testing to deployment and ongoing maintenance. • +6 years of professional mobile development experience. • Strong hands-on experience with native Swift for iOS and native Kotlin for Android. • Proven experience shipping and maintaining production applications with large active user bases. • Practical mobile security experience with technologies such as: • Apple App Attest and DeviceCheck • Google Play Integrity API • Secure Enclave and Android Keystore • Biometric authentication • Certificate pinning • Experience implementing geo-fencing with CLLocationManager and the Android Geofencing API. • Solid understanding of mobile architecture, application lifecycle, performance optimization, testing, and release processes. • Bachelor’s degree in Computer Science or a related field. • Advanced English communication skills; the team’s primary working language is English. • Based in Latin America with availability for meaningful overlap with Florida business hours. Experience with entertainment, media synchronization, accessibility, audio, or location-aware applications is beneficial but not required. • Remote work from Latin America. • Collaboration with an established business and an experienced international engineering team. • Opportunity to work on a distinctive product that makes entertainment more accessible to Spanish-speaking audiences. • Meaningful ownership of production applications used by an active customer base. • Direct access to technology leadership and involvement in important technical decisions.