Senior iOS Developer – Core Experience Full Time

Summary:

• TextNow is the largest provider of free phone service in the nation, focused on evolving the way the world connects.
• The company aims to democratize phone service and break down barriers to communication, allowing for free-flowing conversations worldwide.
• TextNow is looking for an experienced Senior iOS Developer to play a key role in developing its voice and messaging platform on iOS.
• The role involves building high-performance, scalable, and feature-rich mobile applications integrating voice, video, and messaging capabilities.
• TextNow values customer obsession, fairness and respect for people, ambition to accept challenges, ownership mentality, and commitment to results.

Responsibilities:

• 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 to ensure a smooth and stable user experience.
• Be a leader; own problems and solutions end-to-end, from ideation to deployment.
• Be data-driven, experiment, and make the right decisions for customers.
• Deploy features to millions of users, making an immediate impact.

Requirements:

• 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.

Benefits:

• Strong work-life blend.
• Flexible work arrangements (work from home, remote, or access to office spaces).
• Employee stock options.
• Unlimited vacation.
• Competitive pay and benefits.
• Parental leave.
• Benefits for both physical and mental well-being (wellness credit and L&D credit).
• Opportunities for travel during team events, company-wide off-sites, and more.