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: Web Applications, Debugging, HTML and CSS, Web Development, Cascading Style Sheets (CSS), Mobile Development, Database Application, Hypertext Markup Language (HTML), Responsive Web Design, Real Time Data, User Interface (UI), Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Web Development, Continuous Integration, Java, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Development, UI Components, User Interface and User Experience (UI/UX) Design, Usability, Typography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Artificial Intelligence, LLM Application, Prompt Engineering, Application Development, Image Analysis, Google Cloud Platform
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Computer Vision, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Integration, Microsoft Azure, Authorization (Computing), Azure Active Directory, Event-Driven Programming, Cloud Infrastructure, Authentications, Cloud Storage, Disaster Recovery, Data Architecture, Cloud Computing Architecture, Database Design, Cloud Security, Data Infrastructure, Event Monitoring, Role-Based Access Control (RBAC), Application Design, Application Deployment, Solution Architecture, Identity and Access Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Predictive Modeling, Data Processing, Statistical Modeling, R Programming, Supervised Learning, Machine Learning Algorithms, Machine Learning
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Code Review, Software Configuration Management, Software Development Tools, Development Environment, Secure Coding, File Management, Technical Documentation, Software Documentation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, OSI Models, Exploitation techniques, Open Web Application Security Project (OWASP), TCP/IP, Network Protocols, Network Security, Vulnerability Scanning, Cybersecurity, Prompt Engineering, Large Language Modeling, Scripting, Python Programming, SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Science, Unsupervised Learning, Exploratory Data Analysis, Probability & Statistics, Machine Learning Algorithms, Applied Machine Learning, Classification And Regression Tree (CART), Data Analysis, Python Programming, Random Forest Algorithm, Dimensionality Reduction, Predictive Modeling, NumPy, Regression Analysis, Statistical Analysis, Data Processing, Deep Learning, Pandas (Python Package), Data Visualization, Data Manipulation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Make.com, LinkedIn, Marketing Automation, Marketing, Social Media, Social Media Marketing, Application Programming Interface (API), Generative AI, Content Creation, Automation, API Gateway, Artificial Intelligence, Content Marketing, Prompt Engineering, Digital Marketing, Workflow Management
Beginner · Guided Project · Less Than 2 Hours

Howard University
Skills you'll gain: Data Wrangling, Regression Analysis, Data Manipulation, Dimensionality Reduction, Data Science, Python Programming, Predictive Modeling, Statistical Modeling, Data Analysis, Linear Algebra
Mixed · Course · 1 - 4 Weeks