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Android Developer Roadmap

You build for the 3 billion active Android devices. A smaller hiring market than web but with less junior competition - indicative 2026 salaries $70-95k US. Kotlin + Jetpack Compose is the modern path; a published Play Store app is the proof that outshines any certificate.

By Carl Mills

• Last updated 10 July 2026
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• free personalized PDF study plan.
  
  

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0/16 items completed 12 critical left

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Critical only

Import File

Stage 1 - Foundations 4 item(s)

• Android Studio + Gradle: builds, emulators, debugging on a real device Critical
• App fundamentals: activities, lifecycle, permissions, resources Critical
• Git workflow Critical
• Kotlin properly: null safety, data classes, collections, coroutines basics Critical
  
  

Stage 2 - Modern UI 3 item(s)

• Jetpack Compose deep: composables, state hoisting, navigation, lists Critical
• Legacy literacy: reading XML layouts and older codebases
• Material Design 3: theming, adaptive layouts, accessibility
  
  

Stage 3 - Architecture & Data 5 item(s)

• App architecture: ViewModel, unidirectional data flow, DI (Hilt) basics Critical
• Coroutines + Flow for real: structured concurrency, collecting safely Critical
• Local data: Room database, DataStore preferences Critical
• Networking: Retrofit/Ktor, JSON, error and offline states Critical
• Testing: unit tests for ViewModels, one UI test
  
  

Stage 4 - Ship & Prove 4 item(s)

• CV/LinkedIn target "Android Developer" naming Kotlin + Compose + your app Critical
• Passed a mock interview including lifecycle and architecture questions Critical
• Publish one polished app to the Play Store: signing, listing, updates Critical The strongest junior Android signal there is.
• Crash reporting + analytics wired in and acted on
  
  

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Android Developer roadmap FAQ

Native Android or cross-platform (React Native/Flutter)?

Native Kotlin for Android-titled roles - job specs say Kotlin/Compose. Cross-platform is a different (also real) market that suits web developers extending to mobile. Pick based on which listings you want to answer.

Do I still need to learn XML layouts and Java?

Compose-first is correct for learning in 2026, but expect legacy XML and some Java in real codebases - learn to read both. New feature code is Kotlin + Compose almost everywhere.

How important is publishing to the Play Store?

It is the single strongest junior signal: it proves you can finish, handle signing/releases, and respond to real users. One polished published app beats five unfinished repos.

What next once the list is green?

Prove it under pressure: take the free Mock Interview, then check your application signals.

Not sure this is your direction?

Compare every tech role - what you'd build, what it pays, and who it suits - on the roadmaps hub.

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