Mobile Developer (iOS)

About the role

Stefanini is looking for a Mobile Developer specialized in iOS to join its growing team. The role focuses on building secure, high‑performance mobile applications for fintech and banking services.

Key responsibilities

• Develop iOS applications using Swift 5.9+ with modern concurrency (async/await, Task, actors).
• Design declarative UI with SwiftUI and integrate legacy UIKit components.
• Implement architecture patterns such as VIPER or MVVM, ensuring clear separation of concerns.
• Handle networking with Alamofire, manage JSON using Codable/Decodable, and implement robust error handling.
• Integrate secure authentication flows with access and refresh tokens, SSL pinning, Keychain storage, biometrics, and payload encryption.
• Write unit and integration tests using Swift Testing framework, including mocks and stubs for Combine streams.
• Maintain build configurations with Xcode 15+, xcconfigs, Swift Package Manager, and xcframeworks.
• Utilize Firebase services (Crashlytics, Analytics, Remote Config, Cloud Messaging) and follow GitFlows for source control.

Required profile

• Proven experience developing iOS applications, preferably in fintech, banking or other regulated financial domains.
• Familiarity with mobile security SDKs, OTP or soft‑token solutions.
• Strong understanding of modern iOS development practices and clean code principles.

Required skills

• Swift 5.9+ (async/await, Task, actors)
• SwiftUI, UIKit, Combine
• VIPER or MVVM architecture
• Alamofire, Codable/Decodable
• SSL pinning, Keychain, biometrics, payload encryption
• Swift Testing framework, mocks, stubs, Builder pattern
• Xcode 15+, xcconfigs, SPM, xcframeworks
• Firebase Crashlytics, Analytics, Remote Config, Cloud Messaging
• GitFlows