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.

Infosec
Skills you'll gain: Authentications, Cryptography, Secure Coding, Kotlin, Android (Operating System), OAuth, Encryption, Mobile Security, Android Development, Key Management, Exploit development, Application Security, Android Studio, Data Security, Open Web Application Security Project (OWASP), Authorization (Computing), Mobile Development, Security Architecture Review, Security Controls, Application Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, Android Development, Kotlin, API Design, Android Studio, Application Programming Interface (API), Android Jetpack, Mobile Development, Database Application, Data Persistence, Database Management, Databases, JSON, Database Development, Web Applications, Back-End Web Development, SQL, Data Access, Relational Databases
★ 4.7 (61) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Interactive Design, User Interface (UI) Design, Android (Operating System), Application Development, Application Lifecycle Management, Mobile Development Tools, Build Tools, Event-Driven Programming, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Mobile Development, iOS Development, Apple iOS, Mobile Development Tools, User Interface (UI), User Interface (UI) Design, Android Development, Other Mobile Programming Languages, User Interface and User Experience (UI/UX) Design, Application Development, UI Components, Cross Platform Development, Application Programming Interface (API), Software Development Tools, Application Frameworks, Development Environment, Debugging, Software Development
★ 4.4 (160) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Unit Testing, Apple Xcode, Code Reusability, Mobile Development, Software Testing, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Application Development, Functional Design
★ 4.7 (93) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), iOS Development, Mobile Development, User Interface (UI) Design, Apple iOS, UI Components, Swift Programming, Application Development, Interactive Design, Cross Platform Development, Animations
★ 4.7 (118) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, Mobile Development Tools, iOS Development, Other Mobile Programming Languages, Flutter (Software), Integrated Development Environments, Development Environment, Apple iOS, Android Studio, Computer Programming Tools, Application Development, Swift Programming, Test Tools, React Native, Apple Xcode, Application Frameworks, Web Applications, Cross Platform Development, Software Testing, Cloud Hosting
★ 4.7 (218) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Kotlin, Object Oriented Design, Application Design, Development Environment, Application Development
★ 4.7 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kotlin, Maintainability, Application Development, Software Documentation, Programming Principles, Program Development, Data Validation, Computational Logic
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Data Structures, Spring Boot, Restful API, Model View Controller, Spring Framework, Web Services, Java Programming, Java, Back-End Web Development, Authentications, Authorization (Computing), Algorithms, Application Security
★ 4.3 (163) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Development, Kotlin, Mobile Development, UI Components, Relational Databases, PostgreSQL, Application Design, Database Design, Database Development, Databases, User Interface (UI), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Frontend Performance, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Native, Mobile Development, iOS Development, Apple iOS, Android Development, Mobile Development Tools, UI Components, Cross Platform Development, React Redux, Application Development, React.js, Application Frameworks, Development Environment, Debugging, Context Management, Software Development, Data Persistence, Command-Line Interface, Data Validation
★ 4.9 (22) · Intermediate · Course · 1 - 3 Months