Litmus7 is hiring a Senior iOS Developer in Los Angeles to design, build, and maintain iOS applications for client delivery.

Design and maintain high-quality, scalable, reusable iOS applications aligned to business requirements
Collaborate with product managers, UX/UI designers, and backend developers to connect user-facing features with backend services
Write clean, maintainable, efficient code following best practices, including unit testing, debugging, and code reviews
Find and resolve issues related to performance bottlenecks, memory leaks, and other system inefficiencies
Keep pace with current iOS development trends, frameworks, and tooling to support adoption of modern technologies

10+ years of professional experience in iOS development
Strong proficiency in Swift and Objective-C
Expertise with UIKit and SwiftUI
Proven experience with the Combine framework
Solid understanding of iOS frameworks such as Core Data
Experience implementing animations and transitions
Proven experience with MVVM and familiarity with other architectural patterns
Experience integrating with RESTful and GraphQL APIs and using third-party libraries
Demonstrated expertise in unit testing and UI testing
Knowledge of iOS design principles and Apple’s Human Interface Guidelines
Experience optimizing performance of SwiftUI applications
Understanding of memory management in Swift, including resolving issues in SwiftUI
Hands-on experience with multi-threaded programming and networking concepts
Experience with version control systems such as Git or Bitbucket
Familiarity with CI/CD tools such as Jenkins and Bamboo, and test tooling such as XCTest
Experience with iOS App Store submission and release processes
Knowledge of security best practices
Strong problem-solving and analytical skills
Excellent communication and interpersonal abilities

Senior iOS Developer

Job Description