We are looking for a Senior Mobile Developer with more than 5 years of experience building and maintaining native mobile applications for both iOS and Android platforms.

Location: Lisbon, Braga or Coimbra (One day per week on-site)

Responsibilities

• Develop, maintain, and evolve native mobile applications for iOS (Swift) and Android (Kotlin).
• Apply architectural patterns such as MVVM, MVVM-C, MVI, and Clean Architecture.
• Integrate and consume RESTful APIs, ensuring efficient data handling and synchronization.
• Manage local data persistence using Room, DataStore, SharedPreferences, including encrypted storage when required.
• Ensure application security, performance optimization, and scalability.
• Write and maintain unit tests to ensure code quality and long-term maintainability.
• Collaborate closely with designers, backend developers, and product teams to ensure UI/UX consistency.
• Participate in code reviews, technical discussions, and continuous improvement initiatives.

Must Have / Required Skills

• 5+ years of experience in native mobile development.
• Strong hands-on experience with Swift and Kotlin (basic Java knowledge is a plus).
• Proficiency with Xcode, Android Studio, Git, and Gradle.
• Experience with UIKit, Jetpack Compose, XML, and Material Design.
• Solid understanding of MVVM, MVVM-C, MVI, and Clean Architecture.
• Experience with reactive programming frameworks: RxSwift, Combine, Coroutines/Flow, RxJava/Kotlin.
• Strong experience integrating REST APIs using Retrofit and OkHttp.
• Dependency injection using Dagger / Hilt.
• Experience with unit testing (XCTest).
• Familiarity with Firebase tools such as Analytics, Crashlytics, and App Distribution.

Interested candidates are invited to send their CV along with their rate to [email protected] or apply directly.