The client's Authentication Program owns how consumer authentication works for both in-store and e-commerce transactional use cases. The primary purpose of this role is to develop and deliver best-of-breed authentication products for e-commerce transactional use cases that will drive uptake and penetration for the products and revenue for client. The authentication products that fall within this roles responsibilities are ID Check, Token Authentication Service and Token Authentication Framework. General Duties: Architect, design and build native and cross platform applications Collaborate with cross-functional teams to define, design, and ship new features Unit-test code for robustness, including edge cases, usability, and general reliability Work on feature development, defect fixes and improving application performance Continuously discover, evaluate, and implement new technologies to maximize development efficiency Design and build libraries/frameworks/applications for the iOS platform Ensure the performance, quality, and responsiveness of applications Supporting the entire application lifecycle from concept to design, testing, release, and support Writing clean and efficient code for iOS applications Work with Agile methodologies