Reactive programming courses can help you learn asynchronous data streams, event-driven architecture, and the principles of reactive systems. You can build skills in handling real-time data, managing state changes, and implementing backpressure strategies. Many courses introduce tools like RxJava, Reactor, and Akka, that support building responsive applications and integrating with APIs. By exploring these topics, you’ll gain practical experience in creating applications that efficiently respond to user interactions and system events.

Rice University
Skills you'll gain: Java Programming, Java, Data Structures, Programming Principles, Algorithms
★ 4.5 (664) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Scripting, Programming Principles, Scripting Languages, Computer Programming, Data Storage, Program Development, Computer Programming Tools, Python Programming, Development Environment, Integrated Development Environments
★ 4 (142) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Event-Driven Programming, Programming Principles, Computer Programming, Code Reusability, Computational Logic, Distributed Computing, Computer Science, Computational Thinking, Computer Networking, Data Structures, Network Model, Natural Language Processing, Algorithms, Web Services, Problem Solving, Geospatial Information and Technology, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Front-End Web Development, User Interface (UI), Application Frameworks, Application Programming Interface (API), Web Development Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Code Reusability, Software Design Patterns, Object Oriented Programming (OOP), Data Architecture, Mobile Development, Maintainability, Data Modeling, Object Oriented Design, Application Design, UI Components, Testability, Scalability
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Swift Programming, iOS Development, Apple Xcode, Mobile Development, Objective-C (Programming Language), Object Oriented Programming (OOP), Memory Management, Application Development, Development Environment, Programming Principles, Integrated Development Environments, Image Analysis, Computer Programming, Functional Design
★ 3.9 (1.4K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Angular, Software Architecture, Software Design Patterns, Code Reusability, Frontend Performance, TypeScript, Application Programming Interface (API), Scripting Languages, Javascript, Data Sharing, Real Time Data
Beginner · Course · 3 - 6 Months

Skills you'll gain: Rust (Programming Language), File I/O, Memory Management, Data Structures, Code Reusability, System Programming, Secure Coding
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI Agents, Tool Calling, Agentic Workflows, Agentic systems, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
★ 4.6 (88) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, .NET Framework, JavaScript Frameworks, Frontend Integration, API Design, Application Programming Interface (API), Secure Coding, Middleware, React.js, Application Frameworks, Object-Relational Mapping, Model View Controller, Web Applications, Web Development, JSON
★ 4 (6) · Intermediate · Course · 1 - 4 Weeks

Indian Institute of Technology Guwahati
Skills you'll gain: GitHub Copilot, Vibe coding, Generative AI, GitHub, AI powered creativity, OpenAI, Machine Learning Methods, Development Environment, Innovation
★ 4.6 (89) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Code Reusability, Software Design, Flutter (Software), Computational Logic, Functional Design, Application Development, Application Design, Computer Programming, Automation
Beginner · Course · 1 - 4 Weeks