Senior Android Engineer: Kotlin, MVVM & Jetpack Compose

act digital; Portugal; On-site; EUR 50,000 - 80,000; Full time

Job summary

act digital is seeking an experienced Android developer to join our team in Portugal. You will design and build scalable mobile applications using Kotlin, MVVM, Jetpack Compose, and Navigation.

You will implement asynchronous workflows with Kotlin Coroutines, ensure high test coverage, and collaborate with clients and cross-functional teams. The role emphasizes ownership, attention to detail, and a results-driven mindset, with a focus on performance and reliable delivery in a fast-paced

Qualifications

• Strong experience with Android development using Kotlin and MVVM architecture.
• 7+ years of experience in mobile development.
• Proficient with Kotlin Coroutines for asynchronous programming.
• Hands-on with Jetpack components: Navigation, Compose, and UI design.
• Experience with testing (unit/UI) to ensure code quality and reliability.
• Familiarity with TDD and CD practices in a team setting.
• Ability to work in cross-functional teams and communicate effectively with clients.

Responsibilities

• Develop scalable Android apps using Kotlin and modern frameworks.
• Design and implement MVVM architectures for maintainable codebases.
• Build responsive UIs with Jetpack Compose and handle navigation with Jetpack Navigation.
• Implement async workflows with Kotlin Coroutines.
• Write clean, testable code with appropriate test coverage.
• Take ownership of features from development to deployment and maintenance.
• Collaborate with clients and technical teams to validate requirements.
• Participate in architectural discussions and ensure performance and stability.
• Diagnose production issues and optimise app performance.

Skills

Android development

Kotlin

MVVM

Coroutines

Jetpack Compose

Jetpack Navigation

Unit testing

UI testing

TDD

CD practices

Cross-functional teams

Communication skills

Ownership mindset

Performance optimization

Troubleshooting

Autonomy

Kotlin Multiplatform

Compose Multiplatform

Tools

Kotlin Multiplatform

Compose Multiplatform

Unit testing

Job description

act digital is seeking an experienced Android developer to join our team in Portugal. You will design and build scalable mobile applications using Kotlin, MVVM, Jetpack Compose, and Navigation.

You will implement asynchronous workflows with Kotlin Coroutines, ensure high test coverage, and collaborate with clients and cross-functional teams. The role emphasizes ownership, attention to detail, and a results-driven mindset, with a focus on performance and reliable delivery in a fast-paced