Android developer

Location : Romania (with occasional travel to the UK)

Contract Details : Freelance, Remote

Contract Type : 1-Year Contract

Delegation : Yes must hold a valid passport (1-week travel to the UK required)

About the Role

You will play a key role in designing, developing, and maintaining cutting-edge mobile applications, ensuring they are scalable, maintainable, and aligned with best practices. This is an excellent opportunity to work in an Agile environment on impactful projects used by millions of customers.

Key Responsibilities

Develop, optimize, and maintain Android applications using Kotlin and Java.

Implement modern Android development practices, including Kotlin Coroutines and Flows.

Build intuitive UIs using Jetpack Compose and integrate Material 3 design system.

Manage app navigation with Compose Navigation .

Apply MVVM architecture , SOLID principles, and Clean Architecture patterns.

Integrate networking solutions using Volley (Retrofit is a strong plus).

Optimize Gradle builds and manage dependencies effectively.

Implement dependency injection with Hilt and Dagger .

Collaborate in Agile / Scrum teams , participating in sprint planning, stand-ups, and retrospectives.

Write clean, testable, and maintainable code with strong attention to quality.

Core Skills & Experience

6+ years of professional Android development experience.

Strong expertise in Kotlin and Java .

Deep understanding of Kotlin Coroutines and Flows .

Hands-on experience with Jetpack Compose (Material 3, Compose Navigation).

Proven background in MVVM and Clean Architecture.

Advanced Gradle knowledge (optimization, custom tasks).

Strong experience with Hilt and Dagger .

Familiarity with Agile / Scrum ways of working.

Testing & Quality Assurance

Instrumentation testing using Espresso .

Unit testing with Mockito and MockK .

Knowledge of TDD and continuous testing practices.

CI / CD & Version Control

Experience with CI / CD pipelines (preferably Jenkins).

Familiarity with GitFlow or similar branching strategies.

Integration of testing and deployment workflows in CI / CD pipelines.

Nice to Have

Knowledge of Android App Bundles and release management in Google Play Console.

Experience with Datadog for monitoring and performance insights.

Why Join Us?

Be part of a global retail leader with cutting-edge technology projects.

Work in an Agile, collaborative environment with experienced engineers.

Opportunity to impact applications used by millions of Tesco customers.

Competitive contract terms with flexibility and exposure to international teams.