Planner 5D is hiring a Lead Android Developer with 7+ years of Android experience (including leadership). The role requires strong Kotlin and Java skills, deep knowledge of the Android ecosystem (SDK, Jetpack, Dagger), experience with databases (SQL/SQLite/Room), concurrency (Coroutines/RxJava), REST/Protobuf and in-app payments. You will own Android development, work on complex features (2D/3D graphics, VR, AI, CRDT, multiplayer), perform code reviews, mentor engineers, and collaborate across product and non-technical teams. Fluent English required.