At Robots & Pencils, we’re looking for a Senior iOS Engineer to help modernize and maintain mission-critical iOS applications. You’ll work on updating legacy codebases, implementing modern SwiftUI patterns, and ensuring compatibility with the latest iOS versions, including iOS 26.
This is a senior, hands-on role where you’ll apply your deep expertise in Swift/SwiftUI, UIKit, and Storyboards to improve maintainability, refactor legacy systems, and contribute to architectural decisions. You’ll also have the opportunity to work on real-time data synchronization and Apple Push Notification Service (APNS) integration, helping deliver reliable and scalable iOS applications.
Key Responsibilities
· Modernize legacy iOS applications to current Swift/SwiftUI standards
· Implement advanced SwiftUI APIs, including Observable pattern, Actors, and Swift 6 Concurrency model
· Maintain and enhance UIKit/Storyboard components in existing applications
· Ensure iOS version compatibility and manage version migrations, including support for iOS 26
· Work across multiple codebases with varying architectural patterns
· Improve application maintainability, performance, and reliability
· Collaborate with cross-functional teams to deliver high-quality, production-ready solutions
Required Skills & Qualifications
· 5+ years of professional software development experience
· Strong proficiency in Swift/SwiftUI for modern iOS application development
· Experience with UIKit and Storyboards for legacy application maintenance
· Deep expertise in latest SwiftUI APIs including:
· Observable pattern implementation
· Actors
· Swift 6 Concurrency model
· Solid understanding of iOS compatibility updates and version migration (iOS 26)
· Ability to work on multiple application codebases with varying architectural patterns
· Experience modernizing legacy iOS applications to current standards
Nice to Have
· Familiarity with real-time data synchronization patterns
· Experience with APNS (Apple Push Notification Service)
· Swift and concurrency
Why Join Robots & Pencils?
At Robots & Pencils, we don’t just build software, we create meaningful technology that helps people live healthier lives. You’ll work alongside passionate engineers, designers, and innovators in a collaborative, remote-friendly environment. With our continued growth, now is the perfect time to join our team and make a direct impact on the future of digital health.
Top Skills
What We Do
Robots & Pencils develops digital strategies and products that deliver exponential impact to our clients. We design and build solutions that unlock data and insights, infuse intelligent automation, and accelerate product innovation across the organization.
Everything we do starts by blending the sciences with the humanities, the Robots with the Pencils. Our top-tier talent fuses creativity + technology to help brands transform their businesses, deliver delightful customer and employee experiences, and maintain a competitive edge amidst a constantly changing industry landscape.
