The Role
Design, build, and maintain native iOS apps using Swift. Collaborate with product, design, and backend teams to implement features, ensure performance and stability, integrate with REST/GraphQL and third-party SDKs, manage builds and App Store releases, write testable code, participate in code reviews, and mentor junior developers.
Summary Generated by Built In
About the Role
We're looking for an experienced iOS Developer to design, build, and maintain high-quality native iOS applications. You'll work closely with product managers, designers, and backend engineers to deliver polished, performant experiences for our iOS users.
Responsibilities
- Design and build advanced applications for the iOS platform using Swift
- Collaborate with cross-functional teams to define, design, and ship new features
- Write clean, maintainable, and testable Swift code following best practices
- Ensure the performance, quality, and responsiveness of the app
- Identify and correct bottlenecks, fix bugs, and improve app stability
- Integrate with RESTful APIs, GraphQL, and third-party SDKs
- Work with Xcode, CocoaPods/Swift Package Manager, and Apple's build/release tools
- Implement and maintain UI using UIKit and/or SwiftUI
- Participate in code reviews and mentor junior developers
- Manage app store submission, versioning, and release processes
- Stay current with new iOS releases, Apple frameworks, and industry trends
- Collaborate with QA to ensure timely, high-quality releases
Requirements
- 3–6 years of professional experience building native iOS applications
- Strong proficiency in Swift; working knowledge of Objective-C is a plus
- Solid experience with UIKit; experience with SwiftUI preferred
- Strong understanding of Apple's Human Interface Guidelines
- Experience with iOS app architecture patterns (MVVM, MVC, VIPER, Clean Architecture)
- Experience with Core Data, Realm, or SQLite for local persistence
- Familiarity with Combine or RxSwift for reactive programming
- Experience with RESTful APIs, JSON parsing, and networking (URLSession, Alamofire)
- Proficiency with Git and collaborative development workflows
- Experience with CI/CD tools for iOS (Fastlane, Xcode Cloud, Bitrise, etc.)
- Understanding of memory management, threading (GCD), and performance optimization
- Experience publishing and maintaining apps on the App Store
- Familiarity with Agile/Scrum methodologies
- Bachelor's degree in Computer Science, Engineering, or related field
Nice to Have
- Experience with push notifications, deep linking, and background app refresh
- Familiarity with unit/UI testing frameworks (XCTest, XCUITest)
- Experience with Firebase, CloudKit, or other backend-as-a-service platforms
- Knowledge of App Store Connect, TestFlight, and release management
- Experience with accessibility (VoiceOver) and localization
- Understanding of mobile security best practices (Keychain, encryption)
- Exposure to modularization or multi-module app architecture
Skills Required
- 3-6 years professional experience building native iOS applications
- Strong proficiency in Swift
- Working knowledge of Objective-C
- Solid experience with UIKit
- Experience with SwiftUI
- Strong understanding of Apple Human Interface Guidelines
- Experience with iOS app architecture patterns (MVVM, MVC, VIPER, Clean Architecture)
- Experience with Core Data, Realm, or SQLite for local persistence
- Familiarity with Combine or RxSwift for reactive programming
- Experience with RESTful APIs, JSON parsing, and networking (URLSession, Alamofire)
- Proficiency with Git and collaborative development workflows
- Experience with CI/CD tools for iOS (Fastlane, Xcode Cloud, Bitrise, etc.)
- Understanding of memory management, threading (GCD), and performance optimization
- Experience publishing and maintaining apps on the App Store
- Familiarity with Agile/Scrum methodologies
- Bachelor's degree in Computer Science, Engineering, or related field
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The Company
What We Do
Strategic Systems International (SSI) is a fast-growing Advanced Analytics and Software Engineering firm that partners with tech companies to help them launch and scale their products. The company was launched in 1991 by alumni of University of Chicago and Northwestern has grown to 200 employees with presence in US, Europe and Asia. We architect a
