Senior Mobile Developer (iOS & Android)

Senior Mobile Developer (iOS & Android)
Viseu
Viseu, Viseu District, Portugal

We are looking for a Senior Mobile Developer with 5+ years of experience building and maintaining native i
OS and Android applications. The ideal candidate has a strong grasp of clean architecture, performance optimization, and
- functional collaboration.

Responsibilities

• Develop and maintain native mobile apps using Swift (i
  OS) and Kotlin (Android).
• Apply architectural patterns such as MVVM, MVI, MVVM-C, and Clean Architecture.
• Integrate RESTful APIs and manage local data persistence.
• Ensure application security, performance, and stability.
• Write unit tests and maintain high code quality.
• Collaborate with design and Back End teams to deliver consistent UI/UX.

Requirements

• 5+ years of mobile development experience.
• Strong proficiency in Swift and Kotlin; basic Java knowledge is a plus.
• Experience with Xcode, Android Studio, Git, and Gradle.
• Familiarity with UIKit, Jetpack Compose, XML, and Material Design.
• Experience with Rx
  Swift, Combine, Coroutines/Flow, Rx
  Java/Kotlin.
• REST API integration (Retrofit, Ok
  Http).
• Dependency injection (Dagger, Hilt).
• Data persistence (Room, Data
  Store, Shared
  Preferences, encrypted storage).
• Unit testing (XCTest).
• Firebase Analytics, Crashlytics, and App Distribution.