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.

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, R (Software), GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, Test Case, Testability, R Programming, Code Reusability, Knitr, Continuous Integration, Program Development, Build Tools, Git (Version Control System), Development Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Security Testing, Web Development Tools, Application Security, Event Monitoring, Development Environment, Exploit development, Frontend Integration, Web Development, Software Development Tools, Cyber Security Assessment, Payment Systems, Transaction Processing, Authorization (Computing), Token Optimization, Role-Based Access Control (RBAC)
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Applied Mathematics, Plot (Graphics), Graphing, Numerical Analysis, Python Programming, Mathematical Software, Software Visualization, Algebra, Derivatives, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Embedded Software, Embedded Systems, Peripheral Devices, C (Programming Language), System Programming, Program Development, Hardware Architecture, Data Structures, Debugging, Development Environment, C and C++, Performance Tuning, Integrated Development Environments
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: System Programming, Visual Basic (Programming Language), System Software, Hardware Architecture, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Computer Science, Computer Networking, Computer Programming, Network Protocols, Programming Principles, Automation, Cloud Computing, Artificial Intelligence, Debugging
Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Model View Controller, Unified Modeling Language, Object Oriented Programming (OOP), Software Design Patterns, Object Oriented Design, Software Design, Java Programming, Computer Programming, Maintainability, Program Development, Debugging, Software Architecture, Programming Principles, Software Testing, Other Programming Languages, Prototyping
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Product Lifecycle Management, Embedded Systems, Embedded Software, Automation Engineering, Machine Controls, Manufacturing and Production, Manufacturing Processes, Product Engineering, Robotic Process Automation, Control Systems, Computer-Aided Design, Manufacturing Operations, Automation, Internet Of Things, Production Process, Robotics, Cyber Engineering, Digital Transformation, Business Process Automation, C (Programming Language)
Intermediate · Specialization · 1 - 3 Months

University of London
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Program Development, Computer Programming, Data Modeling, Transaction Processing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Augmented and Virtual Reality (AR/VR), Augmented Reality, Virtual Reality, Unreal Engine, 3D Assets, Unity Engine, Application Development, Prototyping, Interaction Design, User Experience Design, Human Computer Interaction, Web Development Tools, User Research
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Networking Hardware, Database Theory, Database Management Systems, Computer Networking, Database Management, Network Protocols, Query Languages, Web Applications, Security Software, Network Routers, Encryption, Security Awareness, Computer Literacy, Computing Platforms, Computer Programming, Endpoint Security, System Software, Authentications, Application Design
Beginner · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Django (Web Framework), Application Development, Web Development, Application Deployment, Database Design, Web Applications, Authentications, Hypertext Markup Language (HTML), Data Modeling, UI Components, Relational Databases, Data Validation, User Accounts, Network Protocols
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Scripting, Scripting Languages, Python Programming, Computer Programming Tools, Devops Tools, Software Development Tools, Data Structures, Programming Principles, Code Reusability, Program Development
Intermediate · Guided Project · Less Than 2 Hours