Senior iOS Engineer
A Senior iOS Engineer will design build and maintain complex iOS applications using modern patterns and robust networking libraries while ensuring clean architecture and reliable automated testing with XCTest. The role focuses on scalable feature delivery code quality through Git workflows and collaboration in a hybrid work model for enterprise grade mobile solutions.
Cognizant’s Application Delivery If you’re like us, you’ve got big ideas. At Cognizant, we’re exploring new ideas every day. We help industry leading companies reinvent their business models and innovate products that create new value—by connecting people with things, insights and experiences. Cognizant digital engineering designs, engineers and delivers digital products and experiences that drive digital-first business models. We offer the most comprehensive digital engineering expertise and client-centric methodology for sustainable innovation.
Location: Minneapolis-MN
Experience Required: 10+ years
You must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future. Cognizant will not sponsor work authorization for this role.
Responsibilities:
Design and implement advanced iOS application features that deliver secure intuitive and high performing user experiences for enterprise customers
Develop and maintain modular iOS components that can be reused across products to accelerate feature delivery and reduce maintenance overhead
Optimize application performance by profiling critical paths and tuning networking rendering and data storage behaviors to meet strict responsiveness goals
Integrate and manage networking libraries to handle complex API interactions error handling and offline scenarios while maintaining robust data integrity
Collaborate with product managers and designers to refine requirements into clear technical tasks that support business outcomes and customer satisfaction
Review pull requests using Git workflows to ensure code quality consistency and adherence to engineering standards across the iOS codebase
Create and maintain comprehensive XCTest suites that validate core flows critical edge cases and regression scenarios for every major feature
Debug complex production issues by analyzing logs metrics and crash reports to identify root causes and implement sustainable long term fixes
Document technical designs architectural decisions and key implementation details to support knowledge sharing and onboarding across the hybrid team
Coordinate closely with backend and DevOps teams to align on API contracts performance targets and deployment strategies that support stable releases
Mentor junior and mid level engineers by providing constructive code reviews and practical guidance on iOS best practices and testing discipline
Participate in sprint planning estimation and retrospectives to improve delivery predictability and continuously refine the engineering workflow
Drive continuous improvement by proposing enhancements to tools libraries and processes that make iOS development more efficient and reliable
Qualifications:
Possess extensive experience in building complex native iOS applications using Swift or Objective C with strong understanding of UIKit and related frameworks
Demonstrate hands on expertise with networking libraries for RESTful communication including authentication strategies and secure data handling practices
Apply solid knowledge of XCTest to design unit tests UI tests and integration tests that increase coverage and protect against regressions in critical flows
Utilize Git effectively within collaborative workflows including branching strategies code reviews and conflict resolution for large scale projects
Bring proven experience in hybrid work environments using modern collaboration tools to maintain alignment with distributed cross functional teams
Exhibit strong problem-solving skills in diagnosing performance bottlenecks memory issues and networking failures within complex iOS ecosystems
Show proficiency in designing maintainable architecture such as MVVM or clean architecture that support scalability and ease of future enhancements
Display familiarity with continuous integration practices that incorporate automated test execution and quality checks for every code change
Communicate clearly with stakeholders of varied technical backgrounds to translate requirements into feasible and reliable mobile solutions
Certifications Required:
Preferred certifications include Apple App Development with Swift certification or equivalent iOS development credential and any Git or version control related certification.
Why Choose Cognizant?
It takes a lot to succeed in today’s fast-paced market, and Cognizant Technology Solutions has become a leader in the industry. We love big ideas and even bigger dreams! We stand out because we put human experiences at the core. Our associates enjoy robust benefits and training opportunities from our industry-recognized, award-winning Academy team. You will have access to hundreds of technical trainings to keep your skillsets fresh and have opportunities to acquire certifications on the newest technologies.
Everything we do at Cognizant we do with passion—for our clients (fortune 100 companies), our communities, and our organization. It’s the defining attribute that we look for in our people.
If you love ambiguity, excited by change, and excel through autonomy, we’d love to hear from you!
About Cognizant Application Delivery Well-designed, software transcends digital technology, going beyond the fulfillment of basic requirements to focus instead on human needs. Within Cognizant Digital Engineering, we help clients develop software products that transform human insights into tangible, production-ready digital solutions. We also work with our clients to scale their native cloud applications. Using insights from the lived experiences of our consumers, we seamlessly replace traditional service strategies with engaging, precise, and direct digital applications. Designing phenomenal software is vital to success in the digital economy—and we understand that a human-centric approach is key to this design.
www.cognizant.com
About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.
Additional employment information
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.
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.
