We are seeking a highly skilled and experienced Senior iOS Developer to join our team. As a Senior iOS Developer, you will be responsible for designing, developing, and maintaining high-quality mobile applications for iOS devices. You will also contribute to platform and framework development to enable scalable and reusable solutions across mobile projects. Collaborating with cross-functional teams, you will deliver innovative solutions and ensure the best possible performance, quality, and responsiveness of applications **Responsibilities:** + Design and build advanced applications for the iOS platform using Swift and/or Objective-C. + Develop reusable frameworks, libraries, and tools to streamline development across multiple projects. + Collaborate with product managers, designers, and backend developers to define, design, and ship new features. + Ensure the performance, quality, and responsiveness of applications.Identify and fix bugs and performance bottlenecks. + Continuously discover, evaluate, and implement new technologies to maximize development efficiency. + Write clean, maintainable, and scalable code following best practices. + Mentor junior and vendor developers and provide technical guidance. + Participate in code reviews to ensure code quality and adherence to standards. + Stay up to date with the latest iOS development trends, tools, and technologies. **Qualifications:** + Proven experience as an iOS Developer with 8+ years of professional experience. + Strong proficiency in Swift and/or Objective-C. + Deep understanding of iOS frameworks such as UIKit, Core Data, Core Animation, and Core Graphics. + Experience in developing reusable frameworks, SDKs, or tools for iOS applications. + Experience with RESTful APIs and integration with backend services. + Familiarity with version control systems like Git. + Knowledge of design patterns and best practices for mobile development. + Experience with third-party libraries, frameworks, and APIs. + Strong problem-solving skills and attention to detail. + Excellent communication and collaboration skills. **Education:** + Bachelor’s/University degree or equivalent experience ------------------------------------------------------ **Job Family Group:** Technology ------------------------------------------------------ **Job Family:** Digital Software Engineering ------------------------------------------------------ **Time Type:** Full time ------------------------------------------------------ **Most Relevant Skills** Please see the requirements listed above. ------------------------------------------------------ **Other Relevant Skills** For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ _Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law._ _If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review_ _Accessibility at Citi (https://www.citigroup.com/citi/accessibility/application-accessibility.htm)_ _._ _View Citi’s_ _EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy)_ _and the_ _Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf)_ _poster._ Citi is an equal opportunity and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.