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.

Skills you'll gain: Full-Stack Web Development, Flask (Web Framework), Web Applications, Real Time Data, Web Development, Restful API, Application Development, Application Programming Interface (API), Frontend Integration, Back-End Web Development, API Design, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Jetpack, Android Development, Kotlin, Animations, Integrated Development Environments, Mobile Development, UI Components, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Maven, Build Tools, Hibernate (Java), Unit Testing, Data Persistence, Docker (Software), Software Testing, Object-Relational Mapping
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: API Testing, Application Programming Interface (API), Test Tools, Behavior-Driven Development, Test Automation
★ 4.4 (22) · Beginner · Guided Project · Less Than 2 Hours

Lund University
Skills you'll gain: Real-Time Operating Systems, Programming Principles, Control Systems, Event-Driven Programming, Robotics, Computer Programming, Program Development, Robotic Process Automation, Automation, Other Programming Languages, Real Time Data, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Application Design, Android Studio, Mobile Development, Application Development, Mobile Development Tools, Prototyping, User Interface and User Experience (UI/UX) Design, Development Testing, Extensible Markup Language (XML), Problem Management
★ 4.8 (23) · Mixed · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Mobile Development, Android Studio, Android (Operating System), Data Persistence, Application Development, Data Storage Technologies, Data Store, User Interface (UI) Design, UI Components, Data Storage, User Interface (UI), Application Lifecycle Management, Authorization (Computing), Data Access, Database Management
★ 4.3 (334) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Object Oriented Design, Java Programming, Code Reusability, Application Design, Solution Design, Design Strategies, Design Elements And Principles
★ 4.7 (33) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
★ 4.4 (114) · Intermediate · Course · 1 - 4 Weeks

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
★ 4.4 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Framework, JUnit, Restful API, Spring Boot, Unit Testing, Java Programming, Java, Hibernate (Java), Model View Controller, Java Platform Enterprise Edition (J2EE), Web Services, Object-Relational Mapping, Software Testing, Test Script Development, Apache Maven, Data Access, Databases, Database Management, Web Applications, Gradle
Beginner · Course · 3 - 6 Months

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