Android Developer
An Android developer builds apps for Android phones with Kotlin and Jetpack Compose.
- Build screens with Jetpack Compose
- Manage state with ViewModels
- Store data with Room and call APIs
- Test and publish releases
- A Compose app with navigation
- Offline storage with Room
- An app that talks to a REST API
Where it leads: Senior Android, mobile lead, or cross-platform.
Every skill, at the level the job needs
Updating… · change the level or company to see how it shifts
android
core- Kotlin
- Introduction to Kotlin
- Java
- Introduction to Java
- IDE
- IntelliJ IDEA
kotlin
core- Kotlin
- Introduction to Kotlin
- Java Interop
- Setting up the Environment
- Code Organization
- The main() function
git-github
core- git init
- What is Version Control?
- Why use Version Control?
- git config
- Local vs Global Config
- Git
datastructures-and-algorithms
core- Introduction to Java
- Language Syntax
- Control Structures
- Pseudocode
- Pseudocode basics
- Functions
What the levels mean
- L1 · AwareKnows what it is and when it's used
- L2 · BasicsCan use it with guidance
- L3 · WorkingUses it independently on the job
- L4 · StrongHandles hard cases, reviews others
- L5 · ExpertDesigns with it, teaches it
Interviews, by kind of company
Your route adds an interview track that matches the company you choose.
Large IT services firms: aptitude, fundamentals, technical and HR rounds.
Online assessment, coding rounds, a design round.
Hard timed coding rounds, system design, behavioural interviews.
Questions
What does a Android Developer need to know?
Android Developer, Kotlin at a working level, plus Learn Git and GitHub. The skills section above lists every one with its level.
How long does it take to become a Android Developer?
About 170 hours of study from scratch. At 10 hours a week that's roughly 17 weeks; anything you already know is skipped after the readiness test.
I already know some of this. Do I start from zero?
No. The optional readiness test finds what you already know and your route skips it.
Does the route change for product companies or senior roles?
Yes. Choose your level and the kind of company above: the skills and target levels adjust, for example deeper data structures and system design for product companies.
Other roles in the Mobile track
They share many skills with this one, so progress carries over if you switch.