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.

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
Intermediate · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Data Structures, Programming Principles, Data Manipulation, Software Installation, Python Programming, Development Environment, Data Storage, File Management
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Selenium (Software), Test Automation, Debugging, Scripting, Automation, Web Scraping, Software Testing, Web Development Tools, Test Case, Browser Compatibility, Test Data
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Network Analysis, R Programming, Statistical Analysis, Regression Analysis, Statistical Modeling, Combinatorics, Bayesian Network, Statistical Hypothesis Testing, Data Analysis, R (Software), Probability, Statistics, Probability & Statistics, Statistical Methods, Bayesian Statistics, Social Network Analysis, Probability Distribution, Applied Mathematics, Simulations, Data Science
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data-Driven Decision-Making, Data Manipulation, Data Visualization, Business Analytics, Data Transformation, Statistics, Data Visualization Software, Statistical Analysis, Trend Analysis, Data Cleansing, Time Series Analysis and Forecasting, Data Import/Export, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Image Analysis, Computer Vision, Applied Machine Learning, Deep Learning, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Extensible Markup Language (XML), Web Applications, Javascript, Web Development Tools, Application Programming Interface (API), Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, JSON, Application Programming Interface (API), Application Frameworks, Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML), Routing Protocols
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java Programming, Java, Enterprise Architecture, Secure Coding, Software Architecture, Application Security, Security Assertion Markup Language (SAML), Dependency Analysis, Web Applications, Continuous Monitoring, OS Process Management, Debugging, Maintainability, Object Oriented Programming (OOP), Performance Tuning
Intermediate · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Digital Assets, Blockchain, Market Liquidity, FinTech, Financial Market, Cryptography, Cryptographic Protocols, Financial Systems, Payment Systems, Distributed Computing, Governance, Key Management, Identity and Access Management, Financial Trading, Financial Regulation, Asset Management, Web Applications, Transaction Processing, Financial Services, System Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Android Studio, Android Jetpack, Responsive Web Design, Kotlin, Mobile Development, User Interface (UI) Design, User Interface (UI), Cross Platform Development, Animations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Performance Tuning, SQL, Query Languages, Database Design, Stored Procedure, Database Management, Data Storage
Intermediate · Course · 1 - 4 Weeks