Design, develop, and maintain advanced iOS applications using Objective-C and Swift. Collaborate with cross-functional teams to define, design, and ship new features. Create and enhance SDKs for iOS. Conduct code reviews to ensure code quality, best practices, and performance. Identify and resolve bottlenecks, bugs, and other issues. Leverage experience with other mobile technologies such as React Native to contribute to cross-platform development initiatives. Provide technical leadership and mentorship to junior developers. Collaborate with other senior developers and architects to drive technical decisions. Work closely with product managers, designers, and QA teams to deliver high-quality products. Communicate effectively with team members to ensure a smooth development process.