> Markdown version of [/jobs/ext/1359911-android-developer](https://www.wearedevelopers.com/jobs/ext/1359911-android-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Android Developer - **Company:** Cross Border Talents - **Location:** Barcelona, Spain - **Salary:** €24,000.0 - €54,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Adobe InDesign, Android Software Development, Application Performance Management, Automation of Tests, Continuous Integration, Model View Controller (MVC), Model View ViewModel, Software Maintenance, Systems Integration, Firebase, Git, Kotlin, Solid Principles, Reactive Programming, React Native, Google Play, Restful APIs, Multiplatform, Software Version Control - **Published:** July 20, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role You have prior experience as an Android Developer using Kotlin, Java, Android SDK and reactive programming * Knowledge of SOLID principles * You have experience in publishing an application on the Google Play store * Proven work experience in design patterns mobile architecture using frameworks such as MVVM/MVC/MVP * Familiarity with firebase integrations * Familiarity with RESTful APIs to effectively integrate Android applications * Understanding of Google's Android design principles and interface guidelines * Proficient understanding of code versioning tools such as Git * Familiarity with continuous integration (Bitrise, Fastlane, etc) * Familiarity with various testing tools * You are a problem solver with good analytical skills ## Description We are looking for an Android developer responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential. Responsibilities * Writing clean and efficient code for Android applications * Monitoring the performance of live apps and work on optimizing them at the code level * Identifying and resolving bottlenecks, rectifying bugs and enhancing application performance * Performing unit and instrumentation tests on code * Collaborating with cross-functional teams to define and design new features * Staying up to date with new mobile technology trends, applications, and protocols ## Related Videos - [Intro to Flutter Development](https://www.wearedevelopers.com/videos/170-intro-to-flutter-development) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [There's an app for that - on the role of cross platform development in the app development ecosystem](https://www.wearedevelopers.com/videos/278-there-s-an-app-for-that-on-the-role-of-cross-platform-development-in-the-app-development-ecosystem) - [Moving from Java to Kotlin](https://www.wearedevelopers.com/videos/384-moving-from-java-to-kotlin) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) ## Related Articles - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Flutter Developer Salary [2023]](https://www.wearedevelopers.com/magazine/199-flutter-developer-salary-2023) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)