Senior iOS Developer - Core Experience

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What You’ll Do:

• Design, develop, and maintain high-quality iOS applications focused on voice and messaging features (voice calling, chat, real-time notifications, etc.). 
• Architect scalable and modular code for performance, reliability, and maintainability. 
• Collaborate with cross-functional teams to define, design, and ship new features. 
• Work with real-time communication protocols, such as WebRTC, SIP, and related messaging and voice frameworks. 
• Optimize app performance to ensure smooth voice and messaging functionality, including audio quality, latency, and bandwidth usage. 
• Write clean, maintainable, and testable code; conduct code reviews and mentor junior developers. 
• Stay current with iOS best practices, emerging technologies, and trends in the voice and messaging space. 
• Troubleshoot and debug issues related to performance, crashes, and other bugs, ensuring a smooth and stable user experience.  
• Be a leader; own problems and solutions end-to-end, from ideation to deployment 
• Experimentation is a key part of your workflow; be data-driven and make the right decisions for our customers 
• Deploy your features to millions of users - your work will have an immediate impact. 

Who You Are:

• A professional iOS developer with 5+ years of experience and a strong portfolio of shipping performant iOS apps (preferably with voice or messaging features). 
• Strong expertise in Swift, Objective-C, and the iOS SDK. 
• Experience with real-time communication protocols and technologies like WebRTC, SIP, XMPP, or similar. 
• Proficiency in working with APIs and third-party libraries for real-time messaging and media streaming. 
• Knowledge of push notifications, background app tasks, and managing network connections for real-time updates. 
• Familiarity with modern iOS tools like Xcode, Instruments, and the debugging process. 
• Strong understanding of user experience (UX) principles, with the ability to design elegant, simple solutions for complex problems. 
• Experience with automated testing frameworks (Unit, UI, Integration testing) and CI/CD pipelines.