> Markdown version of [/jobs/ext/1866483-lead-android-developer](https://www.wearedevelopers.com/jobs/ext/1866483-lead-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). --- # Lead Android Developer - **Company:** Planner 5D - **Location:** Valencia, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), 3D Computer Graphics Software, Application Programming Interfaces (APIs), Artificial Intelligence, Android Software Development, Software Quality, Code Review, Protocol Buffers, JSON, OpenGL, Rxjava, Software Engineering, SQLite, SQL Databases, Extensible Markup Language (XML), Concurrency, Virtual Reality, Pixel Perfect, Git, Kotlin, Codebase, Asynchronous Programming, Restful APIs - **Published:** August 2, 2026 - **Apply:** https://www.jobleads.com/es/job/e68e377a86ed30dbde7d56b2e52ee8567 ## About the Role * 7+ years of experience in Android development (including Leadership experience) * Extensive experience with Kotlin and Java * Extensive knowledge of the Android ecosystem (Android SDK, Jetpack, Dagger, and common libraries) * Experience with SQL, SQLite, and Room * Experience with concurrency and asynchronous programming (Kotlin Coroutines and RxJava) * Experience working with REST APIs, JSON, XML, Git, and Protobuf * Very good understanding of software design, code quality, and testing practices * Ability to write clean, readable, and maintainable code * Ability to make technical decisions and explain trade-offs * Provide mentoring and constructive feedback to developers * Strong sense of ownership * Clear and concise communication * Ability to work effectively with both technical and non-technical teams * Experience with in-app payments and subscriptions * Fluent English ## Description * Take ownership of Android development and build a strong understanding of the codebase and existing solutions * Choose the right technologies and approaches based on the problem and long-term product needs * Be involved in all aspects of the product development, from pixel-perfect design to analytics, payments, and user authentication * Work on interesting and complex features, from simpler tasks like building custom views and APIs to 2D/3D graphics, VR, AI, CRDT and similar * Utilize popular Android libraries and Kotlin solutions * Help the team solve technical problems, answer questions, and find practical solutions * Develop a modular codebase, conduct thorough code reviews, follow best practices and coding guidelines * Work closely with both technical and non-technical teams * Support hiring as the team grows ## Related Videos - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [For the Cars and the Curious: Android Drift](https://www.wearedevelopers.com/videos/499-for-the-cars-and-the-curious-android-drift) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [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) - [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) - [Moving from Java to Kotlin](https://www.wearedevelopers.com/videos/384-moving-from-java-to-kotlin) ## 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) - [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) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers)