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.

Skills you'll gain: C# (Programming Language), Data Modeling, User Interface (UI), jQuery, Microsoft SQL Servers, User Interface (UI) Design, Application Design, Microsoft Visual Studio, Application Development, Data Validation, Code Reusability, Database Application, Business Reporting, Data Management, Object Oriented Design, .NET Framework, Data Structures, Web Development, Maintainability, Performance Tuning
★ 4.9 (16) · Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Computational Thinking, File I/O, Data Collection, Simulations, Data Analysis, Microsoft Visual Studio, C (Programming Language), Analysis, C and C++, Statistical Analysis, Data Presentation, Automation, Program Development, Algorithms, Microsoft Development Tools, Programming Principles, Integrated Development Environments, Computer Programming, Theoretical Computer Science, Code Reusability
★ 4.6 (433) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Job Control Language (JCL), z/OS, Unix, IBM DB2, Database Management Systems, Mainframe Computing, Unix Shell, Operating System Administration, System Programming, Operating Systems, Unix Commands, System Software, Mainframe Technologies, Data Management, Data Storage Technologies, File Systems, Data Storage, System Configuration, File Management, Transaction Processing
★ 4.8 (379) · Intermediate · Course · 1 - 4 Weeks
University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), File I/O, Data Structures, Programming Principles, Object Oriented Design, Object Oriented Programming (OOP), Debugging, Computer Programming, Unit Testing, C (Programming Language), Program Development, Computer Science, Software Testing, Algorithms, Code Reusability, Graph Theory, C and C++, Computational Logic, Memory Management
★ 4.5 (7.3K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, PyTorch (Machine Learning Library), Generative Model Architectures, Artificial Neural Networks, Deep Learning, Model Training
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Data Import/Export, Statistical Analysis, Data Analysis, Statistical Programming, Data Manipulation, Data Processing, Statistical Software, Data Transformation, Data Preprocessing
★ 4.9 (356) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Swift Programming, Object Oriented Design, Object Oriented Programming (OOP), Data Structures, iOS Development, Apple iOS, Programming Principles, Mobile Development, Software Design Patterns, Data Management, Software Architecture, Code Reusability, Computational Logic, Development Environment
★ 4.3 (734) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Programming Principles, Object Oriented Programming (OOP), Program Development, Software Development
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: UI Components, User Interface (UI), Computational Thinking, HTML and CSS, Web Design and Development, Interactive Design, Hypertext Markup Language (HTML), Web Development, Programming Principles, Web Design, Javascript, Event-Driven Programming, Computer Programming, Program Development, Algorithms, Image Analysis, Web Applications, Cascading Style Sheets (CSS), Computer Graphics
★ 4.6 (15K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Debugging, Computer Programming, Application Design, Cloud Applications, Computer Science, Code Reusability, Maintainability, Computer Systems, Program Development, Computer Programming Tools, Object Oriented Programming (OOP), Data Management, Functional Design, Package and Software Management
Beginner · Course · 3 - 6 Months

University of Colorado System
Skills you'll gain: Unreal Engine, Object Oriented Programming (OOP), C and C++, C++ (Programming Language), Debugging, Computer Programming, Program Development, Video Game Development, 3D Assets, Software Documentation, Code Reusability, Application Development, Data Storage, Scripting
★ 4.5 (180) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Software Design, Code Reusability, Program Development, Java, Java Programming, AI Personalization, Object Oriented Programming (OOP), Data Preprocessing, Data Structures, Algorithms, File I/O, Hypertext Markup Language (HTML)
★ 4.7 (660) · Intermediate · Course · 1 - 3 Months