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.

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Data Structures, Computer Programming, Software Engineering, Performance Tuning, File Management, Web Development, Debugging, Web Development Tools
Intermediate · Course · 1 - 4 Weeks

Instituto Tecnológico de Aeronáutica
Skills you'll gain: User Story, Agile Software Development, Backlogs, Agile Methodology, Scrum (Software Development), Sprint Retrospectives, Test Driven Development (TDD), Requirements Analysis, Sprint Planning, Unified Modeling Language, Software Development Methodologies, Software Engineering, Software Development
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Computational Logic, Application Specific Integrated Circuits, Computer-Aided Design, Electronic Hardware, Electrical Engineering, Electronic Systems, Electronics, Semiconductors, Electronic Components, Computer Architecture, Programming Principles, Engineering Design Process, Embedded Systems, Schematic Diagrams, Simulation and Simulation Software
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Applied Machine Learning, Jupyter, Machine Learning, Predictive Modeling, Data Science, Python Programming, Predictive Analytics, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Debugging, Failure Analysis, Embedded Systems, Cyber Engineering, Simulation and Simulation Software, Technical Communication, Engineering Management, Communication Systems, System Programming, Control Systems, Engineering Practices
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Test Automation, Application Programming Interface (API), Restful API, Unit Testing, Software Testing, Test Case, Integration Testing, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Asset Management, Machine Learning, Applied Machine Learning, Financial Modeling, Supervised Learning, Predictive Modeling, Risk Management, Feature Engineering, Unsupervised Learning, Regression Analysis, Statistical Methods, Computer Science, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Algorithms, Computer Hardware, Cryptography, Python Programming, Computer Programming, Computational Thinking, Emerging Technologies, Technical Documentation, Theoretical Computer Science, Linear Algebra, Simulations
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Graph Theory, Data Structures, .NET Framework, Microsoft Copilot, Algorithms, Back-End Web Development, Pseudocode, C# (Programming Language), Performance Tuning, Programming Principles, Server Side, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, LLM Application, OpenAI, Artificial Intelligence, AI Personalization, Responsible AI, Tool Calling, Query Languages, User Interface (UI), Prompt Engineering, Large Language Modeling, Natural Language Processing, Python Programming, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Computer Programming, Programming Principles, Computational Thinking, Scripting, Problem Management, Data Structures, Debugging, Software Documentation
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: NumPy, Data Structures, Data Analysis, Object Oriented Programming (OOP), Image Analysis, Data Processing, Data Science, Data Manipulation, Big Data, Performance Tuning, Python Programming
Beginner · Course · 1 - 4 Weeks