Android Software Engineer

We are looking for an Android Software Engineer to join our team in Braga!

This is a great opportunity to join Smith Micro Software, a NASDAQ company that creates software products and services to simplify, secure, and enhance the mobile experience. We have offices in Braga, Aliso Viejo, Pittsburgh, and Belgrade. The Braga engineering team is primarily engaged in the development of family location and protection services technology that is currently live in multiple carriers around the globe with focus on safety and protection of children, the elderly, and other family members requiring extra care. Working with agile methodologies and with a team of software engineers developing products and projects on different technologies that are shipped worldwide (iOS, Android, web single page apps, cloud based backend solutions), your primary focus will be the development of mobile applications, with opportunities currently available in our main product line, SafePath.

Main Responsabilities • Feature Ownership: Design, build, test, and maintain high-performance, resilient Android applications using modern Kotlin standards. • Agile Collaboration: Collaborate with cross-functional teams (Product, Design, QA, Backend) to define technical specs, break down stories, and deliver end-to-end features. • Architecture & Clean Code: Implement scalable UI components and business logic using Unidirectional Data Flow (MVI/MVVM) and Clean Architecture principles. • Quality & Performance: Write robust unit and UI tests, analyze app performance, fix memory leaks, and optimize app startup time and frame rates. • Engineering Standards: Actively participate in code reviews, enforce codebase consistency, and contribute to continuous integration (CI/CD) and automated release pipelines. • AI-Enhanced Development: Leverage modern AI-assisted engineering tools to accelerate development, improve test coverage, and streamline code maintenance.

Requirements • 3–5 years of professional experience in Android app development. • Kotlin Expertise: Advanced knowledge of Kotlin language features, idioms, and functional programming concepts. • Modern UI Development: Strong hands-on experience building declarative user interfaces using Jetpack Compose and custom state management.

• Asynchronous Programming: Strong experience with Kotlin Coroutines and Flow for async workflows and reactive data streaming. • Architecture & Dependency Injection: Deep understanding of modern Android architecture patterns (MVVM/MVI, Clean Architecture) and DI frameworks like Hilt / Dagger. • Data Storage & Networking: Experience integrating RESTful APIs (Retrofit, Ktor) and building offline-first local data layers using Room / DataStore. • AI-Driven Productivity: Experience leveraging AI developer tools (Copilot, Gemini Code Assist, Claude, etc.) to increase personal throughput and assist in refactoring/testing.

• Good English communication skills (written and spoken) for daily team interaction and documentation. • Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience.

Preferred/Nice to have • Release Management: Familiarity with Google Play Console publishing, Play Store policies, and CI/CD tools (e.g., Bitrise, GitHub Actions, Docker, or Bamboo). • Legacy Interoperability: Experience migrating legacy XML layouts / View-based views to Jetpack Compose. • Build Systems & Modularization: Familiarity with Gradle build configurations, multi-module project structures, and dependency management. • Performance & Profiling: Experience using Android Studio Profiler, evaluating app energy/memory impact, and applying R8 / ProGuard optimizations. • Cross-Platform Awareness: Exposure to Kotlin Multiplatform (KMP), iOS/Swift or hybrid systems. • Security Practices: Familiarity with mobile app security standards (EncryptedSharedPreferences, Keystore system, biometrics, code obfuscation).

What we offer: 3 extra vacation days Flexible work schedule that helps you balance your personal life with your professional one Health insurance for you and your family Life insurance + severe illness disease Coverflex card with a monthly amount paid by the company At the office: coffee and free snacks