We’re hiring an experienced Senior Android Developer to join a mobile engineering team on a contract/freelance basis.

This is a FULLY REMOTE (UK) hands-on development role that will involve working closely with designers, backend engineers, and product teams to bring mobile features to life - from concept to production.

Your Responsibilities

• Lead the development of modern, scalable Android applications using Kotlin and Jetpack libraries.
• Collaborate with cross-functional teams to define and implement new features across the entire app lifecycle — concept, design, build, test, deploy, and maintain.
• Ensure robust app performance and responsiveness across devices and OS versions.
• Apply modern architecture patterns (e.g., MVVM, MVI) and contribute to maintaining a clean and modular codebase.
• Integrate with RESTful APIs and real-time data streams provided by backend services.
• Write unit and integration tests to ensure code quality and stability.
• Identify and resolve bugs, performance bottlenecks, and UX issues.
• Support the team with knowledge sharing and contribute to best practices in mobile development.

What We’re Looking For

• Expert-level Kotlin developer with strong Android SDK knowledge and a portfolio of published apps.
• Solid understanding of Jetpack Compose, Coroutines, and Android Architecture Components.
• Experience building complex UI and animations with a focus on user experience and performance.
• Strong grasp of app lifecycle, background processing, and state management on Android.
• Comfortable working with third-party libraries and integrating external SDKs.
• Familiarity with CI/CD pipelines for Android (e.g., GitHub Actions, Bitrise, Jenkins).
• Experience with Firebase, Room, Hilt/Dagger, and Google Play services is a plus.
• Prior experience in contract/freelance roles with remote collaboration is highly valued.

• Freelance/Contract (40/hrs/wk)
• up to £700 / day
• Start date: ASAP
• UK Remote