Asynchronous programming courses can help you learn event-driven programming, callback functions, promises, and async/await syntax. You can build skills in handling concurrency, managing asynchronous data flows, and optimizing performance in applications. Many courses introduce tools like Node.js for server-side programming and libraries such as Axios for making HTTP requests, demonstrating how these skills enhance user experience and application responsiveness.

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Responsive Web Design, MySQL, Web Design and Development, Server Side, HTML and CSS, Data Import/Export, Back-End Web Development, Scripting Languages, Hypertext Markup Language (HTML), Scripting, Database Development, Code Reusability, File Management, File Systems, SQL, Data Structures
★ 4.9 (14) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Object Oriented Programming (OOP), Event-Driven Programming, Responsive Web Design, Programming Principles, Prototyping, Network Protocols
★ 4.5 (55) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Program Development, Computational Thinking, Education Software and Technology, Collaborative Software, Digital pedagogy, Programming Principles, Debugging, Computer Programming, Computer Programming Tools, Algorithms, Computer Science, Brainstorming
★ 4.8 (26) · Beginner · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Scala Programming, Other Programming Languages, Computer Programming, Programming Principles, Program Development, Theoretical Computer Science
Mixed · Course · 1 - 3 Months

Skills you'll gain: Load Balancing, ASP.NET, Test Driven Development (TDD), Debugging, C# (Programming Language), Software Testing, Scalability, Performance Testing, Restful API, Unit Testing, Web Development, Microservices, .NET Framework, Object-Relational Mapping, Software Architecture, Web Applications, Test Engineering, Object Oriented Design, Cloud Deployment, Distributed Computing
★ 4.7 (243) · Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, JavaScript Frameworks, Pseudocode, Computational Thinking, JSON, Program Development, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Code Reusability, React.js, Server Side, Web Development Tools
★ 4.6 (110) · Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Node.JS, Open Web Application Security Project (OWASP), Application Deployment, JavaScript Frameworks, Web Frameworks, Test Driven Development (TDD), Cloud Deployment, Continuous Deployment, Authentications, Web Development, Development Testing, Jest (JavaScript Testing Framework), Full-Stack Web Development, Web Applications, Application Security, Javascript, CI/CD, Web Development Tools, Back-End Web Development, Front-End Web Development
Beginner · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Application Development, Application Frameworks, Development Environment, Web Development, Microsoft Visual Studio, Microsoft Development Tools
★ 4.1 (289) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Scalability, Authentications, JSON, Authorization (Computing), Web Development Tools, Web Applications, Web Development, Server Side, Secure Coding, JavaScript Frameworks, Back-End Web Development, Application Frameworks, Javascript, Restful API, Development Environment, Event-Driven Programming, Operating Systems, Email Automation, Integrated Development Environments
★ 4.5 (53) · Intermediate · Course · 1 - 4 Weeks

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 (60) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Core Data (Software), Restful API, Apple iOS, iOS Development, JSON, Swift Programming, Application Programming Interface (API), Mobile Development, Application Development, Data Persistence, Data Modeling, Authentications
★ 4 (52) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Event-Driven Programming, Database Development, Front-End Web Development, Python Programming, Database Management, Restful API, Object-Relational Mapping, SQL
★ 4 (14) · Intermediate · Specialization · 3 - 6 Months