Senior Native iOS Engineer

Title:Senior Native iOS Engineer
Location:Deerfield, IL – 3 days per week onsite (potential conversion to FTE requires 4 days per week onsite)
Duration & Type:12-Month Contract with potential to convert to full-time or extend (if converted 4 days on-site is required per week per company guidelines)
Compensation: Competitive W2 Hourly Rate ($82 - $82.70), Access to Healthcare and Dental Insurance Plan of Choice. (Benefit Plans can be requested at time of submission to client)

Summary
Chamberlain Advisors is seeking multiple Senior Native iOS Engineers to support the design, development, and ongoing evolution of high-impact mobile applications for our direct client, a major leader in the pharmaceutical retail industry. The successful candidate will join its Mobile Engineering organization and support the company’s flagship mobile application, a top consumer-facing app used by millions of customers daily. These roles are driven by increased workload and recent attrition and are critical to sustaining development velocity and application quality across multiple business verticals.

This is a senior-level individual contributor role requiring strong technical depth, architectural experience, and the ability to operate effectively in a fast-paced, enterprise-scale environment. This role is a pure native iOS position (Swift, SwiftUI, UIKit) working on the client-side of a large consumer mobile app—not a full-stack or backend role. Click Apply Now!

What You Will Be Accountable For

• Design, develop, test, deploy, and maintain iOS applications using Swift, SwiftUI, Objective-C, and UIKit
• Build and enhance features within Walgreens’ flagship mobile application, supporting multiple business verticals
• Develop scalable, maintainable, and high-quality iOS solutions within a large, complex codebase
• Apply iOS frameworks such as concurrency, networking, Core Data, navigation, Bluetooth, and Core Location
• Write clean, testable code supported by unit and UI tests using XCTest
• Participate across the full mobile application lifecycle, including design, implementation, and ongoing support
• Collaborate with cross-functional partners including product, design, backend, and QA teams
• Contribute to architectural decisions, code reviews, and best practices
• Support troubleshooting, bug fixes, enhancements, and technical debt remediation

What Qualifications You Need

• 5–8+ years of professional software engineering experience with a strong focus on iOS development
• Advanced proficiency in Swift and SwiftUI
• Strong experience with Objective-C and UIKit (legacy codebases)
• Experience working on large, complex mobile applications
• Deep understanding of iOS frameworks, including: Concurrency, Networking / API integration, Core Data, Navigation, Bluetooth and Core Location
• Strong experience writing unit and UI tests using XCTest
• Extensive experience using Xcode as a primary development environment (8+ years preferred)
• Experience designing and supporting scalable mobile architectures
• Experience across the full application lifecycle (design, development, testing, deployment, maintenance)
• Strong communication skills and ability to work effectively in a fast-paced, team-oriented environment
• Self-starter mindset with the ability to ramp up quickly and work independently

Preferred Qualifications

• Experience with React Native
• Familiarity with CI/CD pipelines, especially using Azure DevOps
• Experience with crash reporting and analytics tools such as Firebase, Crashlytics, or Dynatrace

Why Join Right Now?
Our fortune client seeks innovative and intelligent individuals to join their team. Here is your opportunity to join one of the largest healthcare and retail pharmacy companies in the U.S, with more than 10 million customers, over 8,000 retail stores, and a presence in multiple countries. Our client is constantly creating groundbreaking ways to meet customer needs, improve their health, and be a force for good in the world. This is your chance to work in a truly supportive environment and be a part of a progressive organization dedicated to the well-being of their customers, team members, and communities.

Why Work with Chamberlain?
Chamberlain Advisors is a veteran-owned business that provides human capital solutions across a wide range of industries and engagement types. Chamberlain candidates benefit from our unique hiring and interviewing process which has been designed to increase the likelihood that they will be successful in their job searches. This is achieved through our 5-step recruitment process, ensuring a top-of-the-line candidate experience. Find out what makes us different; apply to Chamberlain today.

Equal Employment Opportunity
Chamberlain Advisors provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, Chamberlain Advisors complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Chamberlain Advisors expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of Chamberlain Advisors' employees to perform their job duties may result in discipline up to and including discharge.

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