Cognizant is seeking an experienced Senior iOS Developer to support the design, development, and maintenance of real-time voice communication features in iOS apps. You will work with Swift, Objective-C, and C/C++ to deliver secure, high-performance mobile solutions within cross-functional teams.Adecuado candidates bring a strong background in iOS architecture, Agile processes, and end-to-end deployment in the Apple ecosystem, plus a proactive approach to testing, documentation, and collaboration