Job Title: Senior Mobile Developer (iOS & Android – Native)
Location: Remote – Latin America Preferred
Type of Contract: Full-Time | Contractor
Salary Range: Market Rates
Language Requirements: English (Professional Working Proficiency)
We are seeking a skilled Senior Mobile Developer with deep experience building native iOS and Android applications to join our growing team. You will play a key role in designing, developing, and shipping production‑grade mobile apps with real‑time communication and secure integrations. Your work will directly impact mobile performance, reliability, and the end‑user experience across voice, messaging, and data‑driven workflows.
Key Responsibilities
Build and maintain native iOS applications using Swift and Xcode.
Build and maintain native Android applications using Kotlin and Android Studio.
Integrate and manage Twilio SDKs for voice, messaging, and real‑time events.
Consume and integrate Laravel-based REST APIs for authentication, data, and workflows.
Implement secure authentication flows using JWT and OAuth patterns.
Handle push notifications, background services, and full mobile app lifecycle events.
Own mobile quality end to end, including performance optimization, testing, and App Store / Play Store releases.
Must‑Have Qualifications
6+ years of professional mobile development experience.
Proven production experience with native iOS and native Android applications.
Hands‑on experience integrating Twilio SDKs in mobile apps.
Strong experience consuming REST APIs, ideally built with Laravel.
Solid understanding of mobile networking, asynchronous flows, and error handling.
Experience implementing mobile security best practices.
Strong debugging, profiling, and performance optimization skills.
Preferred Qualifications
Experience building real‑time voice, calling, or communication‑focused applications.
Experience with WebSockets or event‑driven mobile architectures.
Experience collaborating closely with backend teams on API contracts.
Exposure to Vue.js or frontend concepts for cross‑team collaboration.
Experience scaling mobile apps with high traffic or real‑time usage.
Tech Stack
iOS: Swift, Xcode
Android: Kotlin, Android Studio
Mobile SDKs: Twilio
Backend APIs: Laravel REST APIs
Authentication: JWT, OAuth
Tooling: Git, CI/CD pipelines, App Store Connect, Google Play Console
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