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.

National Taiwan University
Skills you'll gain: Report Writing, Operations Research, Applied Mathematics, Mathematical Modeling, Algorithms, Industrial Engineering, Business Modeling, Process Optimization, Engineering Calculations, Feasibility Studies, Project Design, Engineering Management, Business Operations, Computational Thinking, Data Visualization, Complex Problem Solving, Decision Making, Performance Metric, Business Analytics
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud API, Google Cloud Platform, Restful API, Application Programming Interface (API), Identity and Access Management, Natural Language Processing, Event Monitoring, Network Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Object-Relational Mapping, Spring Framework, Hibernate (Java), Apache Maven, Model View Controller, Relational Databases, Database Design, MySQL, Web Applications, Java Platform Enterprise Edition (J2EE), Java, Full-Stack Web Development, Database Development, Application Frameworks, Back-End Web Development, Authentications, Object Oriented Design, Object Oriented Programming (OOP), Application Development, Software Design Patterns
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OpenAI API, OpenAI, Image Analysis, Generative AI, ChatGPT, LLM Application, Multimodal Prompts, Application Programming Interface (API), Large Language Modeling, Artificial Intelligence, Natural Language Processing, Computer Vision
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prototyping, Object Oriented Programming (OOP), JavaScript Frameworks, Software Design Patterns, Software Design, Maintainability, Software Architecture
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, Typography, Cascading Style Sheets (CSS), UI Components, Web Design, Interactive Design, User Interface (UI) Design, HTML and CSS, Browser Compatibility, User Interface (UI), Usability, Interaction Design, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Front-End Web Development, Animations, Web Components, Color Theory, Web Development, Web Development Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Theoretical Computer Science, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Real Time Data, Serverless Computing, Cloud Applications, Virtual Machines, Cloud Computing Architecture, Microservices, Event-Driven Programming, Solution Architecture, Infrastructure As A Service (IaaS), Cloud Services, Containerization, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Apple iOS, Authentications, Application Programming Interface (API), Restful API, Mobile Development, Data Store
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, ChatGPT, Cascading Style Sheets (CSS), Generative AI, Development Environment, Microsoft Visual Studio, Web Design and Development, Secure Coding, Node.JS, Prompt Engineering, Javascript, API Design, Debugging
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Ruby on Rails, Model View Controller, Ruby (Programming Language), Object-Relational Mapping, Test Automation, Restful API, Application Deployment, Web Applications, Web Development, Authentications, Development Environment, Data Validation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Application Deployment, Google Cloud Platform, Go (Programming Language), Cloud Applications, Cloud Development, Software Testing, Data Access, Big Data, Database Application
Beginner · Project · Less Than 2 Hours