Kotlin courses can help you learn the basics of the language, object-oriented programming, functional programming principles, and Android app development. You can build skills in writing clean code, integrating APIs, and debugging applications effectively. Many courses introduce tools like Android Studio for app development and Gradle for project management, showing how these skills are applied in real-world software projects.

Coursera
Skills you'll gain: Java, Data Structures, File I/O, Java Programming, Data Access, Data Cleansing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Command-Line Interface, Go (Programming Language), Package and Software Management, Data Storage, Programming Principles, Code Reusability, Program Development, Other Programming Languages
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Build Tools, CI/CD, Software Development Tools, Java, Gradle, Java Programming, Apache Maven, Machine Learning Software, MLOps (Machine Learning Operations), Package and Software Management, Applied Machine Learning, Process Driven Development, Dependency Analysis, Performance Tuning
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Programming Principles, Data Structures
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Apache Maven, Build Tools, Dependency Analysis, IntelliJ IDEA, Integrated Development Environments, Package and Software Management, Software Configuration Management, Eclipse (Software), Configuration Management, Software Installation, Code Coverage, Shell Script, Project Management, Software Documentation, Automation, Systems Integration, Debugging
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Application Deployment, Containerization, Cloud-Native Computing, Scalability, Cloud Deployment, Google Cloud Platform, Managed Services, Cloud Platforms
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Kotlin
Intermediate · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Application Design, Android Studio, Mobile Development, Android (Operating System), Application Development, Mobile Development Tools, Prototyping, User Interface and User Experience (UI/UX) Design, User Interface (UI), Mockups, Development Testing, Problem Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Information Management, Application Programming Interface (API), Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Apple Xcode, Swift Programming, API Testing, iOS Development, Integrated Development Environments, Apple iOS, Software Testing, Unit Testing, Test Script Development, Application Programming Interface (API), Network Troubleshooting, Test Case, Computer Programming Tools, Knowledge of Apple Software, Mobile Development Tools, Program Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Functional Design, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, UI Components
Intermediate · Course · 1 - 4 Weeks