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.

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Object Oriented Design, Case Studies, Data Modeling, Software Engineering, Object Oriented Programming (OOP), Engineering Software, Software Design, Program Development, Systems Design, Business Modeling, System Design and Implementation, Complex Problem Solving
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Test Driven Development (TDD), Continuous Deployment, Debugging, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Code Review, Development Testing, Interviewing Skills, Web Development Tools, HTML and CSS, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Restful API, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Event-Driven Programming, HTML and CSS, Javascript, Back-End Web Development, Frontend Integration, Web Development, Web Services, Real Time Data, Web Development Tools, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Computer Systems, Computational Logic, Hardware Design, Computer Hardware, Programming Principles, Digital Signal Processing, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Version Control, Debugging, Microsoft Visual Studio, Integrated Development Environments, Software Development Tools, Development Environment, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Unreal Engine, Data Structures, 3D Assets, Game Design, 3D Modeling, Virtual Environment, Data Store, Video Game Development, Animation and Game Design, Visualization (Computer Graphics), Data Management, Object Oriented Programming (OOP), Scripting, Scalability, Event-Driven Programming, Software Design, Debugging, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Distributed Computing, Java, Middleware, NoSQL, Event-Driven Programming, Databases, Software Architecture, Servers, Web Services, Microservices, Scalability, Transaction Processing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Programming, Statistical Analysis, Data Analysis Software, Debugging, Software Installation, Simulations, Integrated Development Environments, Programming Principles, Data Manipulation, Program Development, Data Import/Export, Performance Tuning, File I/O
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operations Research, Supply Chain, Supply Chain Management, Supply Chain Planning, Operational Analysis, Process Improvement and Optimization, Capacity Planning, Production Planning, Data Analysis, R Programming
Beginner · Guided Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: Product Lifecycle Management, Environmental Science, Sustainable Development, Mathematical Modeling, Sustainable Engineering, Systems Thinking, Analysis, Microsoft Excel, Case Studies, Accounting, Open Source Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Application Design, Security Testing, Application Security, Development Environment, Web Development, Software Development Tools, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Authorization (Computing), User Interface (UI), Incident Response, Role-Based Access Control (RBAC), Application Deployment, Transaction Processing
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, Web Services, JSON, Model View Controller, Web Applications, Back-End Web Development, API Design, Application Programming Interface (API), Server Side, Extensible Markup Language (XML), Application Security, Object-Relational Mapping, Middleware
Intermediate · Course · 1 - 4 Weeks