Sr. iOS Developer (Chicago Hybrid)
Job Location:
Chicago, IL - USA
Monthly Salary:
Posted:
Application Deadline:
Vacancies:
Job Summary
Publicis Sapient is a digital transformation partner helping established organizations get to their future digitally enabled state both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods fusing strategy consulting and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next our 20000 people in 53 offices around the world combine experience across technology data sciences consulting and customer obsession to accelerate our clients businesses through designing the products and services their customers truly value.
- At Publicis Sapient we help organizations unlock value through digital business transformationbuilding products and platforms that matter to our clients and their customers.
- As a Senior iOS Developer you will lead the design and development of scalable high-performance mobile applications using modern iOS frameworks and architectural principles.
- You will collaborate across product design and engineering teams to deliver seamless accessible and data-driven user experiences while shaping engineering practices and mentoring team members.
- This role combines deep technical expertise with ownership enabling you to influence mobile strategy architecture and delivery in a fast-paced client-focused environment.
- Design build and maintain a robust scalable multi-module iOS codebase using Swift and SwiftUI with clear modular boundaries and separation of concerns
- Collaborate with Product UX Design and backend teams to translate requirements into polished user experiences and scalable design systems
- Build and evolve a reusable component library in SwiftUI with a scalable design token system and custom theming capabilities
- Apply architectural patterns (MVVM Clean Architecture etc.) to ensure a principled testable and maintainable codebase
- Develop local orchestration engines using BGTaskScheduler Swift Concurrency (async/await actors) and Combine for managing background and long-running tasks
- Design and maintain battery-efficient background location tracking solutions using Core Location (CLLocationManager geofencing significant-change monitoring)
- Implement feature flagging mechanisms (Firebase Remote Config LaunchDarkly etc.) to support experimentation controlled rollouts and rollback strategies
- Integrate and maintain analytics pipelines (Firebase Analytics Mixpanel etc.) and enforce event taxonomy and schema governance in collaboration with Product and Data teams
- Ensure accessibility standards (WCAG 2.1 AA VoiceOver Dynamic Type touch target sizing) are embedded across the UI and design system
- Shape CI/CD pipelines (Xcode Cloud GitHub Actions Fastlane) with automated quality gates and performance regression checks
- Implement APM and performance monitoring tooling (Firebase Performance New Relic MetricKit) for application health and optimization
- Leverage AI-assisted development tools (e.g. GitHub Copilot Claude) and agentic workflows to accelerate development and reduce repetitive tasks
- Mentor and support junior and mid-level engineers contributing to team growth engineering quality and knowledge sharing
- Strong experience building iOS applications using Swift
- Hands-on expertise with SwiftUI and modern UI architecture
- Experience designing scalable mobile architectures (e.g. MVVM Clean Architecture)
- Proven experience building modular codebases and reusable UI component systems
- Experience working with concurrency models (async/await Combine background processing)
- Solid understanding of mobile performance optimization including memory CPU and battery usage
- Experience integrating analytics frameworks and implementing event tracking systems
- Familiarity with feature flagging experimentation frameworks and release management practices
- Experience with CI/CD pipelines and mobile build/release tooling
- Strong debugging problem-solving and system design skills
- Experience collaborating in cross-functional Agile teams
- Experience building and scaling enterprise-grade mobile platforms
- Deep understanding of accessibility standards and inclusive design practices
- Experience with design systems token architecture and UI theming strategies
- Exposure to observability monitoring and performance tuning at scale
- Experience mentoring engineers and influencing engineering best practices
- Demonstrated alignment with Publicis Sapient core values such as Learning Mindset Inclusive Collaboration and Partnering for Client Impact
- Experience applying AI-assisted workflows in production development environments
- Contributions to open-source iOS projects or technical communities
Salary Range: $96000-$161000
The range shown represents a grouping of relevant ranges currently in use at Publicis Sapient. Actual range for this position may differ depending on location and specific skillset required for the work.
- An inclusive workplace that promotes diversity and collaboration.
- Access to ongoing learning and development opportunities.
- Competitive compensation and benefits package.
- Flexibility to support work-life balance.
- Comprehensive health benefits for you and your family.
- Generous paid leave and holidays.
- Wellness program and employee assistance.
As part of our dedication to an inclusive and diverse workforce Publicis Sapient is committed to Equal Employment Opportunity without regard for race color national origin ethnicity gender protected veteran status disability sexual orientation gender identity or religion. We are also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability you may contact us at
Required Experience:
Senior IC
About Company
Publicis Media is one of the four solutions hubs of Publicis Groupe ([Euronext Paris FR0000130577, CAC 40], alongside Publicis Communications, Publicis.Sapient and Publicis Healthcare. Led by Steve King, CEO, Publicis Media is powered by its five global brands, Starcom, Zenith, Spark ... View more
