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: SQL, Database Development, Database Management, Relational Databases, Data Manipulation, Databases, Data Import/Export, PostgreSQL, Database Management Systems, Data Integrity
★ 4.7 (113) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Robotics, Graph Theory, Algorithms, Data Structures, Python Programming
★ 4.4 (17) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: OpenAI API, OpenAI, AI Workflows, LLM Application, AI Integrations, Generative AI Agents, AI Personalization, Agentic Workflows, Application Programming Interface (API), Performance Testing, Artificial Intelligence, Context Management, Application Development
★ 4.6 (22) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, System Programming, System Design and Implementation, Software Design, OS Process Management, Linux, Systems Analysis, Test Tools, Theoretical Computer Science, Verification And Validation, Algorithms
★ 4.3 (20) · Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: User Interface (UI), User Interface and User Experience (UI/UX) Design, Bootstrap (Front-End Framework), Web Design, Cascading Style Sheets (CSS), UI Components, Secure Coding, Full-Stack Web Development, Web Applications, Database Development, Frontend Integration, JavaScript Frameworks, Database Management, Hypertext Markup Language (HTML), Software Architecture, Development Environment, Software Testing, Development Testing, NoSQL, API Design
★ 4.1 (25) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Application Frameworks, Javascript, Hypertext Markup Language (HTML), Front-End Web Development, Scalability, Web Design and Development, Web Applications, Code Reusability, Cascading Style Sheets (CSS), Web Development, Software Design Patterns, Software Design, UI Components
★ 4.2 (44) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Generative AI, Data Analysis, Model Training, Data-Driven Marketing, Customer Relationship Management (CRM) Software, Predictive Analytics, Machine Learning Algorithms, Machine Learning, Data Science, Data Processing, Prompt Engineering
★ 4.2 (13) · Beginner · Specialization · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Apple iOS, iOS Development, Video Game Development, Mobile Development, Game Design, Interactive Design, Animation and Game Design, Geospatial Information and Technology, Animations, Interaction Design, Human Computer Interaction, Global Positioning Systems, Computer Graphic Techniques, Application Development, Event-Driven Programming, Knowledge of Apple Hardware
★ 4.5 (55) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Web Development Tools, Development Environment, Frontend Integration, Software Development Tools, Program Development, Integrated Development Environments, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Event-Driven Programming, Development Testing, Javascript, Network Architecture
★ 5 (50) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Identity and Access Management, Cloud Hosting, Cloud Deployment, Cloud Infrastructure, Amazon Web Services, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, UI Components, Application Deployment, React.js, Event-Driven Programming, Javascript, Apache
★ 4.7 (7) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Cloud Development, Continuous Deployment, Development Environment, Application Deployment, Cloud Applications, Cloud Deployment, Docker (Software), Containerization, Microsoft Development Tools, Cloud Hosting, ASP.NET, Platform As A Service (PaaS), Software Development, Scalability, Microsoft Visual Studio, Web Applications, Integrated Development Environments
★ 4.7 (35) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Development Environment, Program Development, C++ (Programming Language), Debugging, Programming Principles, Computer Programming Tools, Integrated Development Environments, Computer Programming, Data Management, Computational Logic
★ 4.6 (9) · Beginner · Course · 1 - 4 Weeks