Build native and cross-platform mobile applications
Estimated time to learn: 7-12 months
Salary range: $85K - $155K
Difficulty level: Intermediate
Mobile UI/UX
Swift/Kotlin
App Lifecycle
Basic APIs
Native APIs
Data Persistence
Networking
State Management
React Native/Flutter
Shared Logic
Platform Bridges
Testing
App Store Optimization
CI/CD
Analytics
Performance
Role path · Intermediate
Mobile Developer (iOS/Android)
Build native and cross-platform mobile applications
7-12 months $85K - $155K 16 topics
Career guide
Become a hireable professional in this role
Mobile developers design, build, and maintain high-performance applications for iOS and Android platforms, ensuring seamless user experiences across diverse hardware.
Suggested paceDedicate 15-20 hours weekly, focusing on theoretical concepts for the first half of each stage and hands-on coding projects for the second half.
What this role actually is
Architect and implement native or cross-platform mobile application features.
Optimize app performance, memory usage, and battery efficiency.
Collaborate with UI/UX designers to translate wireframes into interactive interfaces.
Integrate RESTful APIs and real-time data services into mobile clients.
Manage app store deployment processes and version control workflows.
Debug production issues and implement automated testing suites.
Good fit if you
Individuals with a strong interest in human-computer interaction and interface design.
Developers who enjoy working across the full stack of client-side logic.
Problem solvers who thrive on optimizing performance for constrained mobile hardware.
Before you start
Foundational knowledge of Object-Oriented Programming (OOP).
Understanding of basic networking concepts (HTTP/JSON).
Familiarity with version control systems like Git.
Basic UI/UX design principles.
How to get hired
Publish at least one functional app to the Apple App Store or Google Play Store.
Maintain a GitHub repository showcasing clean, documented code and architectural patterns.
Contribute to open-source mobile libraries to demonstrate collaborative coding skills.
Prepare for technical interviews by practicing mobile-specific system design questions.
Network within local mobile developer meetups or specialized online communities.
Portfolio milestones — build your way to hired-ready
1Mobile Fundamentals
Build a simple task management app using native platform languages.
Done when
App persists data locally
Implements basic navigation
Handles orientation changes
Follows platform design guidelines
2Platform Development
Create a feature-rich app utilizing device hardware like GPS or Camera.
Done when
Integrates third-party API
Implements secure authentication
Handles offline state
Uses platform-specific UI components
3Cross-Platform
Refactor a native app into a cross-platform framework like Flutter or React Native.
Done when
Single codebase for iOS and Android
Maintains 60fps performance
Consistent UI across platforms
Effective state management implementation
4Production & Publishing
Deploy a polished application to a public app store.