Summary: Seeking a Senior iOS Software Engineer to join a Mobile Engineering team, contributing to platform architecture and the evolution of a mobile application ecosystem. Highlights: 1. Influence platform architecture and evolve mobile application ecosystem 2. Collaborate on mobile technology roadmap, ensuring scalability and performance 3. Mentor junior developers and deliver high-impact solutions 00067573253 * Date published **Mar 23 2026** * Location **BuenosAires,BA\-Tucuman** **/** **Argentina** * Job category **Technology \& Engineering** * Work model **Hybrid** ### **Senior iOS Software Engineer** ### **About the Role** We are seeking a **Senior iOS Software Engineer** to join our Mobile Engineering organization as a key individual contributor. In this role, you will take on complex technical challenges, influence platform architecture, and support the long‑term evolution of our mobile application ecosystem. You will collaborate closely with Principal Engineers and Architects to define and implement the mobile technology roadmap, ensuring scalability, performance, and engineering excellence. This role suits a highly autonomous engineer who thrives in fast‑paced, collaborative environments and who enjoys mentoring junior developers while delivering high‑impact solutions. ### **About the Team** Our Mobile Engineering Team is focused on designing and delivering innovative mobile experiences for large‑scale consumer audiences. We leverage the latest iOS technologies and industry best practices to create engaging, performant, and user‑centered applications. ### **Work Model:** **Fully Remote**, exclusively for candidates residing in **Argentina**, as employment and payroll operations are managed from Argentina. ### **Your Day\-to\-Day (Responsibilities)** * Architect, design, and develop intuitive and elegantly crafted iOS applications. * Develop tools, frameworks, and processes that enhance the mobile engineering pipeline. * Collaborate with Product, Design, Delivery, Editorial, and Engineering teams to ship high‑quality mobile experiences. * Troubleshoot production issues, conduct root cause analysis, and support incident resolution. * Maintain and evolve existing mobile systems within a large digital ecosystem. * Mentor junior developers and support continuous learning within the team. * Ensure engineering solutions adhere to established architectural, security, and coding standards, including monitoring, logging, testing, and service enablement. ### **Qualifications** * BS/MS in Computer Science or equivalent experience. * 5\+ years of professional software development experience. * Strong foundation in programming fundamentals, including algorithms and data structures. * Experience designing new applications and enhancing existing codebases. * Deep knowledge of native iOS development using Swift, Objective‑C, SwiftUI, and iOS frameworks. * Proven experience architecting scalable, performant, and secure mobile applications. * Hands‑on experience with mobile DevOps and CI/CD tooling (preferably Git and Bitrise), including automation, code signing, and testing. * Strong communication skills for effective collaboration across technical and non‑technical teams. * Experience building adaptable software architectures that support evolving business requirements. ### **Preferred Qualifications** * Familiarity with cloud platforms such as AWS. * General understanding of database technologies (SQL, NoSQL, GraphDB, etc.). **The Cognizant community:** We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive. * Cognizant is a global community with more than 300,000 associates around the world. * We don’t just dream of a better way – we make it happen. * We take care of our people, clients, company, communities and climate by doing what’s right. * We foster an innovative environment where you can build the career path that’s right for you. **About us:** Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry\-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ\-100 and one of Forbes World’s Best Employers 2025\) is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws. If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com with your request and contact information. *Disclaimer:* *Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.* *Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.* d