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.

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), SQL, Database Management, Azure DevOps, Object Oriented Design, Continuous Integration, Object Oriented Programming (OOP), ASP.NET, Debugging, Relational Databases, Secure Coding, Cloud Deployment, .NET Framework, Microsoft Copilot, Scalability, Graph Theory, Back-End Web Development, Program Development, Data Structures
★ 4.6 (402) · Beginner · Professional Certificate · 3 - 6 Months

University of Alberta
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Software Design, Object Oriented Programming (OOP), Java, Java Programming, Maintainability, Code Reusability, Software Design Documents, Application Design, Conceptual Design, Diagram Design, Design Elements And Principles
★ 4.7 (2.4K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Python Programming, Command-Line Interface, Programming Principles, Computer Programming, Scripting, Computer Programming Tools, Program Development, Development Environment
★ 4.6 (3.1K) · Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Debugging, Software Testing, Program Development, Test Planning, Simulations, Test Case, Computer Programming, Programming Principles, Algorithms, C (Programming Language), Build Tools
★ 4.3 (836) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Large Language Modeling, Prompt Engineering, LLM Application, Artificial Intelligence, Jupyter, Python Programming, Data Analysis, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, AI Integrations, Scripting, Programming Principles, Automation, Computer Programming, Application Programming Interface (API), Package and Software Management, Data Structures
★ 4.8 (254) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, R (Software), Plot (Graphics), Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Wrangling, Data Visualization, Data Preprocessing, Technical Documentation, Unit Testing, Data Cleansing, Object Oriented Programming (OOP), Object Oriented Design
★ 4.2 (1.5K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: z/OS, Job Control Language (JCL), Mainframe Computing, Mainframe Technologies, System Programming, Computer Architecture, Systems Architecture, Program Development, File I/O, Programming Principles, Maintainability, Computational Logic, Data Structures, Data Access, Data Mapping, Computer Science, Computer Programming, Memory Management, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Databricks, Data Engineering, PySpark, Data Lakes, Apache Airflow, Apache Spark, Data Pipelines, MLOps (Machine Learning Operations), Data Architecture, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Data Management, Data Storage, Python Programming, Artificial Intelligence, Machine Learning, SQL, Machine Learning Algorithms, Warehouse Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Web Scraping, Package and Software Management, Object Oriented Programming (OOP), Object Oriented Design, Test Driven Development (TDD), Maintainability, Python Programming, Program Development, Virtual Environment, Development Testing, Verification And Validation, Unit Testing, HTML and CSS, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Logistic Regression, Analytical Skills, Correlation Analysis, Science and Research, Regression Analysis, Sampling (Statistics), Statistical Hypothesis Testing, Data Literacy, Data Analysis, R Programming, Descriptive Analytics, Descriptive Statistics, Statistical Software, Statistical Modeling, Biostatistics, Model Evaluation, Exploratory Data Analysis, Statistical Analysis, Statistical Programming, R (Software)
★ 4.7 (2.1K) · Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Unix Commands, Command-Line Interface, Unix Shell, Linux, Software Versioning, Unix, Linux Commands, Collaborative Software, Software Development, File Management, Web Development
★ 4.6 (3.8K) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: React.js, Event-Driven Programming, Authentications, Node.JS, Web Development Tools, Hypertext Markup Language (HTML), Full-Stack Web Development, OAuth, Webpack, Web Content Accessibility Guidelines, Web Applications, Front-End Web Development, Application Design, Javascript, Cascading Style Sheets (CSS), Package and Software Management, JavaScript Frameworks, Web Development, UI Components, Computer Programming
Beginner · Specialization · 3 - 6 Months