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.

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Cross Platform Development, Mobile Development Tools, UI Components, Application Development, Ajax, User Interface (UI), React.js, JavaScript Frameworks, Data Persistence, Data Store, Data Storage Technologies, Context Management, Development Environment, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Network Analysis, Tableau Software, Network Model, Dashboard Creation, Dashboard, Time Series Analysis and Forecasting, Matplotlib, Data Analysis, Seaborn, Graph Theory, Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Salesforce Development, Salesforce, Systems Integration, Data Integration, Web Services, Application Programming Interface (API), Software Design Patterns, Software Design, Enterprise Architecture, Restful API, Complex Problem Solving, Business Solutions
Beginner · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Data Storage Technologies, Data Storage, Encryption, System Configuration, Electronic Hardware, Hardware Architecture, Cloud Storage, Desktop Support, Power Electronics, IT Infrastructure, USB, Help Desk Support, Performance Tuning, Memory Management, IT Security Architecture, IT Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, Animation and Game Design, Game Design, Video Game Development, Animations, Virtual Environment, UI Components, Interactive Design, User Interface (UI), Software Development Tools, Course Development, C# (Programming Language), User Interface (UI) Design, Functional Design, Usability, Scripting, Design, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Agentic Workflows, AI Orchestration, Generative AI Agents, AI Workflows, LLM Application, Agentic systems, Tool Calling, Context Management, AI Integrations, Data Persistence, Memory Management, Development Environment, Event-Driven Programming, Large Language Modeling, Software Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Information Architecture, UI/UX Research, User Research, Content Management, UI/UX Strategy, Design Research, User Experience, Content Strategy, Experience Design, User Experience Design, Human Centered Design, User Centered Design, User Interface and User Experience (UI/UX) Design, Web Design, Persona (User Experience), Usability, Interaction Design, Product Design, Web Development, Web Applications
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Unity Engine, Object Oriented Design, Video Game Development, Event-Driven Programming, Code Reusability, Game Design, C# (Programming Language), User Interface (UI), Scripting, UI Components, Animations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Systems, Embedded Software, Electronic Systems, Electronic Hardware, Hardware Design, Electronic Components, USB, Machine Controls, Data Storage Technologies, Control Systems, Automation Engineering, Electronics, Program Development, Data Storage, Data Persistence, Environmental Monitoring, Prototyping, Programming Principles, Display Devices, C (Programming Language)
Intermediate · Course · 3 - 6 Months

Infosec
Skills you'll gain: Authentications, Cryptography, Secure Coding, Kotlin, Android (Operating System), OAuth, Encryption, Mobile Security, Android Development, Key Management, Exploit development, Application Security, Android Studio, Data Security, Open Web Application Security Project (OWASP), Authorization (Computing), Mobile Development, Security Architecture Review, Security Testing, Application Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Cloud Hosting, Web Development, Cloud Deployment, Responsive Web Design, Web Design, Web Presence, Application Deployment, Typography, Servers, Javascript
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: C# (Programming Language), Microsoft Visual Studio, .NET Framework, Game Design, Open Source Technology, Programming Principles, Integrated Development Environments, Microsoft Development Tools, Linux, Application Development, Cross Platform Development, Program Development
Beginner · Guided Project · Less Than 2 Hours