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: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, z/OS, Mainframe Computing, Relational Databases, File Management, Data Management, Databases, Database Management Systems, Data Storage, Programming Principles, Command-Line Interface, Computer Programming
Beginner · Course · 1 - 3 Months

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

Duke University
Skills you'll gain: Data Visualization Software, Data Visualization, Data Storytelling, Interactive Data Visualization, Plotly, Matplotlib, Dashboard, Seaborn, Tableau Software, Scatter Plots, Histogram, Google Sheets, Microsoft Excel, Data Analysis, Pandas (Python Package), Python Programming, Cloud Applications, Data Manipulation, Business Communication
Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Data Storytelling, Statistical Process Controls, Data Visualization, Data Visualization Software, Data-Driven Decision-Making, Business Analytics, Tableau Software, Data Analysis, Minitab, Data Cleansing, Statistical Analysis, Data Quality, Process Analysis, Business Process, Key Performance Indicators (KPIs), Matlab
Beginner · Course · 1 - 4 Weeks

Universidad Nacional de Colombia
Skills you'll gain: Engineering Practices, Electronics, Automation, Water Resource Management, Engineering, Control Systems, Electronic Systems, Embedded Systems, Sustainable Technologies, Electronic Components, Computer Programming Tools, Environmental Monitoring, Electrical Wiring, Construction, Basic Electrical Systems
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Blockchain, Network Security, Application Security, Security Engineering, Infrastructure Security, Cybersecurity, Data Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Mobile Development, Mobile Development Tools, iOS Development, Flutter (Software), Integrated Development Environments, Apple iOS, Android Studio, Application Development, Swift Programming, React Native, Apple Xcode, Application Frameworks, Web Applications, Cross Platform Development, Software Testing, Cloud Hosting, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Postman API Platform, OAuth, Application Programming Interface (API), Performance Testing, Security Testing, Software Testing, Restful API, Authentications, Web Development Tools, Application Security
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development, Web Applications, Web Design and Development, Web Design, Front-End Web Development
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, Image Analysis, Responsible AI, OpenAI, LLM Application, Cloud Applications, Multimodal Prompts, Generative AI, Cloud API, Application Deployment, API Gateway, Generative AI Agents, Tool Calling, User Interface (UI), Data Ethics, Application Programming Interface (API), Cloud Computing, Open Source Technology, Software Engineering
Intermediate · Specialization · 3 - 6 Months

National Academy of Sports Medicine
Skills you'll gain: Nutrition and Diet, Kinesiology, Exercise Science, Public Health and Disease Prevention, Automated External Defibrillator, Rehabilitation, Cardiopulmonary Resuscitation (CPR), Athletic Training, Motivational Skills, Anatomy, Goal Setting, Physiology
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Object Oriented Design, Unity Engine, Game Design, Software Design Patterns, Data Structures, C# (Programming Language), Video Game Development, Graph Theory, Software Architecture, Algorithms, Debugging
Intermediate · Course · 1 - 4 Weeks