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: Application Programming Interface (API), Web Applications, Restful API, UI Components, Back-End Web Development, Object-Relational Mapping, Data Modeling, Data Validation, Data Mapping
Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Computer Programming Tools, C (Programming Language), Programming Principles, Embedded Systems, Software Development Tools, Computer Engineering, Algorithms, Data Structures, Computer Programming, Computational Logic
★ 4.7 (106) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Frontend Performance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unified Modeling Language, Data Structures, Scripting, Object Oriented Design, Object Oriented Programming (OOP), Scripting Languages, Program Development, Python Programming, Data Management, Computer Programming, Software Engineering
★ 4.4 (35) · Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Back-End Web Development, PostgreSQL, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Management, Databases, Data Validation, Development Environment
★ 3.6 (10) · Intermediate · Course · 1 - 3 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